Finding the Fourth Proportional to 288,527.97, 398,166.44 and 159,475.23
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Solution
The fourth proportional to 288,527.97, 398,166.44 and 159,475.23 is: 220,074.62
Step by Step Solution
- Step 1: Write the proportion equation
288,527.97 : 398,166.44 = 159,475.23 : x - Step 2: Convert to fraction form
288,527.97/398,166.44 = 159,475.23/x - Step 3: Cross multiply
288,527.97x = 398,166.44 × 159,475.23 - Step 4: Simplify right side
288,527.97x = 63,497,683,799.91 - Step 5: Solve for x
x = 63,497,683,799.91/288,527.97 - Step 6: Final answer
x = 220,074.62
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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.