Finding the Fourth Proportional to 146,874.52, 202,687.14 and 86,445.28
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Solution
The fourth proportional to 146,874.52, 202,687.14 and 86,445.28 is: 119,294.66
Step by Step Solution
- Step 1: Write the proportion equation
146,874.52 : 202,687.14 = 86,445.28 : x - Step 2: Convert to fraction form
146,874.52/202,687.14 = 86,445.28/x - Step 3: Cross multiply
146,874.52x = 202,687.14 × 86,445.28 - Step 4: Simplify right side
146,874.52x = 17,521,346,569.70 - Step 5: Solve for x
x = 17,521,346,569.70/146,874.52 - Step 6: Final answer
x = 119,294.66
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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.