Finding the Fourth Proportional to 201,361.64, 277,936.80 and 133,389.68
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Solution
The fourth proportional to 201,361.64, 277,936.80 and 133,389.68 is: 184,116.01
Step by Step Solution
- Step 1: Write the proportion equation
201,361.64 : 277,936.80 = 133,389.68 : x - Step 2: Convert to fraction form
201,361.64/277,936.80 = 133,389.68/x - Step 3: Cross multiply
201,361.64x = 277,936.80 × 133,389.68 - Step 4: Simplify right side
201,361.64x = 37,073,900,812.22 - Step 5: Solve for x
x = 37,073,900,812.22/201,361.64 - Step 6: Final answer
x = 184,116.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.