Finding the Fourth Proportional to 173,612.52, 239,685.66 and 115,514.88
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Solution
The fourth proportional to 173,612.52, 239,685.66 and 115,514.88 is: 159,477.32
Step by Step Solution
- Step 1: Write the proportion equation
173,612.52 : 239,685.66 = 115,514.88 : x - Step 2: Convert to fraction form
173,612.52/239,685.66 = 115,514.88/x - Step 3: Cross multiply
173,612.52x = 239,685.66 × 115,514.88 - Step 4: Simplify right side
173,612.52x = 27,687,260,252.62 - Step 5: Solve for x
x = 27,687,260,252.62/173,612.52 - Step 6: Final answer
x = 159,477.32
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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.