Finding the Fourth Proportional to 288,572.36, 398,229.02 and 161,248.08
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Solution
The fourth proportional to 288,572.36, 398,229.02 and 161,248.08 is: 222,521.88
Step by Step Solution
- Step 1: Write the proportion equation
288,572.36 : 398,229.02 = 161,248.08 : x - Step 2: Convert to fraction form
288,572.36/398,229.02 = 161,248.08/x - Step 3: Cross multiply
288,572.36x = 398,229.02 × 161,248.08 - Step 4: Simplify right side
288,572.36x = 64,213,664,875.28 - Step 5: Solve for x
x = 64,213,664,875.28/288,572.36 - Step 6: Final answer
x = 222,521.88
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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.