Finding the Fourth Proportional to 288,125.54, 397,640.88 and 160,812.98
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Solution
The fourth proportional to 288,125.54, 397,640.88 and 160,812.98 is: 221,937.34
Step by Step Solution
- Step 1: Write the proportion equation
288,125.54 : 397,640.88 = 160,812.98 : x - Step 2: Convert to fraction form
288,125.54/397,640.88 = 160,812.98/x - Step 3: Cross multiply
288,125.54x = 397,640.88 × 160,812.98 - Step 4: Simplify right side
288,125.54x = 63,945,814,882.62 - Step 5: Solve for x
x = 63,945,814,882.62/288,125.54 - Step 6: Final answer
x = 221,937.34
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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.