Finding the Fourth Proportional to 371,079.75, 511,773.87 and 285,246.48
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Solution
The fourth proportional to 371,079.75, 511,773.87 and 285,246.48 is: 393,397.09
Step by Step Solution
- Step 1: Write the proportion equation
371,079.75 : 511,773.87 = 285,246.48 : x - Step 2: Convert to fraction form
371,079.75/511,773.87 = 285,246.48/x - Step 3: Cross multiply
371,079.75x = 511,773.87 × 285,246.48 - Step 4: Simplify right side
371,079.75x = 145,981,694,973.48 - Step 5: Solve for x
x = 145,981,694,973.48/371,079.75 - Step 6: Final answer
x = 393,397.09
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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.