Finding the Fourth Proportional to 288,096.92, 397,526.18 and 160,772.20
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Solution
The fourth proportional to 288,096.92, 397,526.18 and 160,772.20 is: 221,839.09
Step by Step Solution
- Step 1: Write the proportion equation
288,096.92 : 397,526.18 = 160,772.20 : x - Step 2: Convert to fraction form
288,096.92/397,526.18 = 160,772.20/x - Step 3: Cross multiply
288,096.92x = 397,526.18 × 160,772.20 - Step 4: Simplify right side
288,096.92x = 63,911,158,516.20 - Step 5: Solve for x
x = 63,911,158,516.20/288,096.92 - Step 6: Final answer
x = 221,839.09
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1.5x scale
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.