Finding the Fourth Proportional to 132,891.28, 199,336.92 and 62,777.68
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Solution
The fourth proportional to 132,891.28, 199,336.92 and 62,777.68 is: 94,166.52
Step by Step Solution
- Step 1: Write the proportion equation
132,891.28 : 199,336.92 = 62,777.68 : x - Step 2: Convert to fraction form
132,891.28/199,336.92 = 62,777.68/x - Step 3: Cross multiply
132,891.28x = 199,336.92 × 62,777.68 - Step 4: Simplify right side
132,891.28x = 12,513,909,375.95 - Step 5: Solve for x
x = 12,513,909,375.95/132,891.28 - Step 6: Final answer
x = 94,166.52
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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.