Finding the Fourth Proportional to 284,744.62, 392,930.68 and 157,412.62
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Solution
The fourth proportional to 284,744.62, 392,930.68 and 157,412.62 is: 217,220.08
Step by Step Solution
- Step 1: Write the proportion equation
284,744.62 : 392,930.68 = 157,412.62 : x - Step 2: Convert to fraction form
284,744.62/392,930.68 = 157,412.62/x - Step 3: Cross multiply
284,744.62x = 392,930.68 × 157,412.62 - Step 4: Simplify right side
284,744.62x = 61,852,247,817.18 - Step 5: Solve for x
x = 61,852,247,817.18/284,744.62 - Step 6: Final answer
x = 217,220.08
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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.