Finding the Fourth Proportional to 288,610.97, 398,248.63 and 159,532.00
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Solution
The fourth proportional to 288,610.97, 398,248.63 and 159,532.00 is: 220,135.08
Step by Step Solution
- Step 1: Write the proportion equation
288,610.97 : 398,248.63 = 159,532.00 : x - Step 2: Convert to fraction form
288,610.97/398,248.63 = 159,532.00/x - Step 3: Cross multiply
288,610.97x = 398,248.63 × 159,532.00 - Step 4: Simplify right side
288,610.97x = 63,533,399,046.71 - Step 5: Solve for x
x = 63,533,399,046.71/288,610.97 - Step 6: Final answer
x = 220,135.08
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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.