Finding the Fourth Proportional to 493,721.92, 681,336.80 and 267,367.68
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Solution
The fourth proportional to 493,721.92, 681,336.80 and 267,367.68 is: 368,967.70
Step by Step Solution
- Step 1: Write the proportion equation
493,721.92 : 681,336.80 = 267,367.68 : x - Step 2: Convert to fraction form
493,721.92/681,336.80 = 267,367.68/x - Step 3: Cross multiply
493,721.92x = 681,336.80 × 267,367.68 - Step 4: Simplify right side
493,721.92x = 182,167,439,514.62 - Step 5: Solve for x
x = 182,167,439,514.62/493,721.92 - Step 6: Final answer
x = 368,967.70
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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.