Finding the Fourth Proportional to 288,115.44, 397,621.29 and 159,078.79
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Solution
The fourth proportional to 288,115.44, 397,621.29 and 159,078.79 is: 219,540.87
Step by Step Solution
- Step 1: Write the proportion equation
288,115.44 : 397,621.29 = 159,078.79 : x - Step 2: Convert to fraction form
288,115.44/397,621.29 = 159,078.79/x - Step 3: Cross multiply
288,115.44x = 397,621.29 × 159,078.79 - Step 4: Simplify right side
288,115.44x = 63,253,113,691.44 - Step 5: Solve for x
x = 63,253,113,691.44/288,115.44 - Step 6: Final answer
x = 219,540.87
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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.