Finding the Fourth Proportional to 284,304.28, 392,337.36 and 156,977.12
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Solution
The fourth proportional to 284,304.28, 392,337.36 and 156,977.12 is: 216,627.02
Step by Step Solution
- Step 1: Write the proportion equation
284,304.28 : 392,337.36 = 156,977.12 : x - Step 2: Convert to fraction form
284,304.28/392,337.36 = 156,977.12/x - Step 3: Cross multiply
284,304.28x = 392,337.36 × 156,977.12 - Step 4: Simplify right side
284,304.28x = 61,587,988,841.20 - Step 5: Solve for x
x = 61,587,988,841.20/284,304.28 - Step 6: Final answer
x = 216,627.02
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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.