Finding the Fourth Proportional to 316,956.52, 437,403.42 and 173,713.48
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Solution
The fourth proportional to 316,956.52, 437,403.42 and 173,713.48 is: 239,726.48
Step by Step Solution
- Step 1: Write the proportion equation
316,956.52 : 437,403.42 = 173,713.48 : x - Step 2: Convert to fraction form
316,956.52/437,403.42 = 173,713.48/x - Step 3: Cross multiply
316,956.52x = 437,403.42 × 173,713.48 - Step 4: Simplify right side
316,956.52x = 75,982,870,252.10 - Step 5: Solve for x
x = 75,982,870,252.10/316,956.52 - Step 6: Final answer
x = 239,726.48
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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.