Finding the Fourth Proportional to 288,573.09, 398,229.87 and 161,248.68
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Solution
The fourth proportional to 288,573.09, 398,229.87 and 161,248.68 is: 222,522.62
Step by Step Solution
- Step 1: Write the proportion equation
288,573.09 : 398,229.87 = 161,248.68 : x - Step 2: Convert to fraction form
288,573.09/398,229.87 = 161,248.68/x - Step 3: Cross multiply
288,573.09x = 398,229.87 × 161,248.68 - Step 4: Simplify right side
288,573.09x = 64,214,040,874.07 - Step 5: Solve for x
x = 64,214,040,874.07/288,573.09 - Step 6: Final answer
x = 222,522.62
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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.