Word proporcional problems

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Name: Class:
Four Proportion Word problems LEVEL 2
1. Physics tells us that the weights of objects on the moon are proportional to theirweights on Earth. Suppose a 180 lbs man weighs on Earth and 30 lbs on the moon.
1 pound (lb) = 0.45359237 kilograms (kg)

If a soccer ball weighs 1 lbs on the moon, how much will it weigh onearth?  

Step 1  Make a table


Moon (lb) 30 1
Earth (lb) 180 X

Step 2 Solve the problem: find the hidden data

Then
pounds

Step 3 Answer:The soccer ball will weigh 6 pounds on earth.

Step 4 Identify the ratio:

Ratio is 1:6 means: 1 pound on the moon equals 6 pounds

What will a 60 lbs boy on earth weigh on the moon?Step 1  Make a table


Moon (lb) 30 x 1
Earth (lb) 180 60 6

Step 2 Solve the problem to find the hidden date
: 6 : 6
Then, x = 60 : 6 =10 pounds on the moon.

If a spaceship will only fly if it is less than or equal to 5000 lbs. Will the Russian spaceship be able to come back to earth ifit weighs 840 lbs on the moon?

Step 1


Moon (lb) 840 1
Earth (lb) x 6

Step 2     : 6 : 6
Then 840·6 = 5040 pounds on Earth.

     Step 3 Answer: Will the spaceship make it home? (yes/no) No .

2.  Lionel Messi scored twenty-three goals in eighteen games this year. Assuming the amount of goals and games are directlyproportional.

a.  How many games will it take for him to score forty-eight goals?

Step 1 Draw a table


Goals 23 48 1
Games 18 X y

Step 2          = 0.7826 ratio
X = 48·0.7826 = 37.56 (38)
Step 3 Answer: It will take 38 games.

Step 4 Identify the ratio:

Ratio is 1 : 0.7826 means: Messi scores 3 goal...
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