Finding the Fourth Proportional to 288,618.18, 398,248.47 and 161,269.17
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Solution
The fourth proportional to 288,618.18, 398,248.47 and 161,269.17 is: 222,526.52
Step by Step Solution
- Step 1: Write the proportion equation
288,618.18 : 398,248.47 = 161,269.17 : x - Step 2: Convert to fraction form
288,618.18/398,248.47 = 161,269.17/x - Step 3: Cross multiply
288,618.18x = 398,248.47 × 161,269.17 - Step 4: Simplify right side
288,618.18x = 64,225,200,210.67 - Step 5: Solve for x
x = 64,225,200,210.67/288,618.18 - Step 6: Final answer
x = 222,526.52
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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.