Finding the Fourth Proportional to 288,115.44, 397,619.40 and 160,793.12
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Solution
The fourth proportional to 288,115.44, 397,619.40 and 160,793.12 is: 221,905.72
Step by Step Solution
- Step 1: Write the proportion equation
288,115.44 : 397,619.40 = 160,793.12 : x - Step 2: Convert to fraction form
288,115.44/397,619.40 = 160,793.12/x - Step 3: Cross multiply
288,115.44x = 397,619.40 × 160,793.12 - Step 4: Simplify right side
288,115.44x = 63,934,463,898.53 - Step 5: Solve for x
x = 63,934,463,898.53/288,115.44 - Step 6: Final answer
x = 221,905.72
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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.