Finding the Fourth Proportional to 510,753.92, 704,833.79 and 281,306.84
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Solution
The fourth proportional to 510,753.92, 704,833.79 and 281,306.84 is: 388,199.79
Step by Step Solution
- Step 1: Write the proportion equation
510,753.92 : 704,833.79 = 281,306.84 : x - Step 2: Convert to fraction form
510,753.92/704,833.79 = 281,306.84/x - Step 3: Cross multiply
510,753.92x = 704,833.79 × 281,306.84 - Step 4: Simplify right side
510,753.92x = 198,274,561,259.42 - Step 5: Solve for x
x = 198,274,561,259.42/510,753.92 - Step 6: Final answer
x = 388,199.79
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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.