Finding the Fourth Proportional to 288,693.94, 433,013.08 and 88,960.70
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Solution
The fourth proportional to 288,693.94, 433,013.08 and 88,960.70 is: 133,432.47
Step by Step Solution
- Step 1: Write the proportion equation
288,693.94 : 433,013.08 = 88,960.70 : x - Step 2: Convert to fraction form
288,693.94/433,013.08 = 88,960.70/x - Step 3: Cross multiply
288,693.94x = 433,013.08 × 88,960.70 - Step 4: Simplify right side
288,693.94x = 38,521,146,705.96 - Step 5: Solve for x
x = 38,521,146,705.96/288,693.94 - Step 6: Final answer
x = 133,432.47
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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.