Finding the Fourth Proportional to 424,402.92, 636,589.26 and 108,862.92
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Solution
The fourth proportional to 424,402.92, 636,589.26 and 108,862.92 is: 163,290.50
Step by Step Solution
- Step 1: Write the proportion equation
424,402.92 : 636,589.26 = 108,862.92 : x - Step 2: Convert to fraction form
424,402.92/636,589.26 = 108,862.92/x - Step 3: Cross multiply
424,402.92x = 636,589.26 × 108,862.92 - Step 4: Simplify right side
424,402.92x = 69,300,965,684.24 - Step 5: Solve for x
x = 69,300,965,684.24/424,402.92 - Step 6: Final answer
x = 163,290.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.