Finding the Fourth Proportional to 288,581.97, 398,235.47 and 161,258.61
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Solution
The fourth proportional to 288,581.97, 398,235.47 and 161,258.61 is: 222,532.61
Step by Step Solution
- Step 1: Write the proportion equation
288,581.97 : 398,235.47 = 161,258.61 : x - Step 2: Convert to fraction form
288,581.97/398,235.47 = 161,258.61/x - Step 3: Cross multiply
288,581.97x = 398,235.47 × 161,258.61 - Step 4: Simplify right side
288,581.97x = 64,218,898,344.90 - Step 5: Solve for x
x = 64,218,898,344.90/288,581.97 - Step 6: Final answer
x = 222,532.61
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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.