Finding the Fourth Proportional to 288,539.18, 398,204.68 and 159,474.90
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Solution
The fourth proportional to 288,539.18, 398,204.68 and 159,474.90 is: 220,086.75
Step by Step Solution
- Step 1: Write the proportion equation
288,539.18 : 398,204.68 = 159,474.90 : x - Step 2: Convert to fraction form
288,539.18/398,204.68 = 159,474.90/x - Step 3: Cross multiply
288,539.18x = 398,204.68 × 159,474.90 - Step 4: Simplify right side
288,539.18x = 63,503,651,522.53 - Step 5: Solve for x
x = 63,503,651,522.53/288,539.18 - Step 6: Final answer
x = 220,086.75
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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.