Finding the Fourth Proportional to 279,013.01, 384,354.62 and 202,306.71
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Solution
The fourth proportional to 279,013.01, 384,354.62 and 202,306.71 is: 278,687.80
Step by Step Solution
- Step 1: Write the proportion equation
279,013.01 : 384,354.62 = 202,306.71 : x - Step 2: Convert to fraction form
279,013.01/384,354.62 = 202,306.71/x - Step 3: Cross multiply
279,013.01x = 384,354.62 × 202,306.71 - Step 4: Simplify right side
279,013.01x = 77,757,519,833.95 - Step 5: Solve for x
x = 77,757,519,833.95/279,013.01 - Step 6: Final answer
x = 278,687.80
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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.