Finding the Fourth Proportional to 516,684.96, 713,029.05 and 284,115.96
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Solution
The fourth proportional to 516,684.96, 713,029.05 and 284,115.96 is: 392,082.12
Step by Step Solution
- Step 1: Write the proportion equation
516,684.96 : 713,029.05 = 284,115.96 : x - Step 2: Convert to fraction form
516,684.96/713,029.05 = 284,115.96/x - Step 3: Cross multiply
516,684.96x = 713,029.05 × 284,115.96 - Step 4: Simplify right side
516,684.96x = 202,582,933,048.64 - Step 5: Solve for x
x = 202,582,933,048.64/516,684.96 - Step 6: Final answer
x = 392,082.12
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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.