Finding the Fourth Proportional to 316,743.08, 437,089.92 and 173,503.76
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Solution
The fourth proportional to 316,743.08, 437,089.92 and 173,503.76 is: 239,426.68
Step by Step Solution
- Step 1: Write the proportion equation
316,743.08 : 437,089.92 = 173,503.76 : x - Step 2: Convert to fraction form
316,743.08/437,089.92 = 173,503.76/x - Step 3: Cross multiply
316,743.08x = 437,089.92 × 173,503.76 - Step 4: Simplify right side
316,743.08x = 75,836,744,578.10 - Step 5: Solve for x
x = 75,836,744,578.10/316,743.08 - Step 6: Final answer
x = 239,426.68
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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.