Finding the Fourth Proportional to 288,577.52, 398,235.71 and 161,253.09
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Solution
The fourth proportional to 288,577.52, 398,235.71 and 161,253.09 is: 222,528.56
Step by Step Solution
- Step 1: Write the proportion equation
288,577.52 : 398,235.71 = 161,253.09 : x - Step 2: Convert to fraction form
288,577.52/398,235.71 = 161,253.09/x - Step 3: Cross multiply
288,577.52x = 398,235.71 × 161,253.09 - Step 4: Simplify right side
288,577.52x = 64,216,737,979.58 - Step 5: Solve for x
x = 64,216,737,979.58/288,577.52 - Step 6: Final answer
x = 222,528.56
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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.