Finding the Fourth Proportional to 288,902.24, 398,722.68 and 161,604.24
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Solution
The fourth proportional to 288,902.24, 398,722.68 and 161,604.24 is: 223,034.88
Step by Step Solution
- Step 1: Write the proportion equation
288,902.24 : 398,722.68 = 161,604.24 : x - Step 2: Convert to fraction form
288,902.24/398,722.68 = 161,604.24/x - Step 3: Cross multiply
288,902.24x = 398,722.68 × 161,604.24 - Step 4: Simplify right side
288,902.24x = 64,435,275,672.16 - Step 5: Solve for x
x = 64,435,275,672.16/288,902.24 - Step 6: Final answer
x = 223,034.88
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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.