Finding the Fourth Proportional to 288,517.80, 432,776.70 and 288,517.80
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Solution
The fourth proportional to 288,517.80, 432,776.70 and 288,517.80 is: 432,776.70
Step by Step Solution
- Step 1: Write the proportion equation
288,517.80 : 432,776.70 = 288,517.80 : x - Step 2: Convert to fraction form
288,517.80/432,776.70 = 288,517.80/x - Step 3: Cross multiply
288,517.80x = 432,776.70 × 288,517.80 - Step 4: Simplify right side
288,517.80x = 124,863,781,375.26 - Step 5: Solve for x
x = 124,863,781,375.26/288,517.80 - Step 6: Final answer
x = 432,776.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.