Finding the Fourth Proportional to 288,575.19, 398,231.82 and 161,251.08
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Solution
The fourth proportional to 288,575.19, 398,231.82 and 161,251.08 is: 222,525.41
Step by Step Solution
- Step 1: Write the proportion equation
288,575.19 : 398,231.82 = 161,251.08 : x - Step 2: Convert to fraction form
288,575.19/398,231.82 = 161,251.08/x - Step 3: Cross multiply
288,575.19x = 398,231.82 × 161,251.08 - Step 4: Simplify right side
288,575.19x = 64,215,311,065.37 - Step 5: Solve for x
x = 64,215,311,065.37/288,575.19 - Step 6: Final answer
x = 222,525.41
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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.