Finding the Fourth Proportional to 517,213.92, 713,737.18 and 284,619.12
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Solution
The fourth proportional to 517,213.92, 713,737.18 and 284,619.12 is: 392,764.46
Step by Step Solution
- Step 1: Write the proportion equation
517,213.92 : 713,737.18 = 284,619.12 : x - Step 2: Convert to fraction form
517,213.92/713,737.18 = 284,619.12/x - Step 3: Cross multiply
517,213.92x = 713,737.18 × 284,619.12 - Step 4: Simplify right side
517,213.92x = 203,143,248,082.88 - Step 5: Solve for x
x = 203,143,248,082.88/517,213.92 - Step 6: Final answer
x = 392,764.46
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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.