Finding the Fourth Proportional to 288,575.34, 398,226.33 and 161,251.98
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Solution
The fourth proportional to 288,575.34, 398,226.33 and 161,251.98 is: 222,523.46
Step by Step Solution
- Step 1: Write the proportion equation
288,575.34 : 398,226.33 = 161,251.98 : x - Step 2: Convert to fraction form
288,575.34/398,226.33 = 161,251.98/x - Step 3: Cross multiply
288,575.34x = 398,226.33 × 161,251.98 - Step 4: Simplify right side
288,575.34x = 64,214,784,200.63 - Step 5: Solve for x
x = 64,214,784,200.63/288,575.34 - Step 6: Final answer
x = 222,523.46
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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.