Finding the Fourth Proportional to 288,743.91, 432,825.07 and 120,357.44
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Solution
The fourth proportional to 288,743.91, 432,825.07 and 120,357.44 is: 180,414.95
Step by Step Solution
- Step 1: Write the proportion equation
288,743.91 : 432,825.07 = 120,357.44 : x - Step 2: Convert to fraction form
288,743.91/432,825.07 = 120,357.44/x - Step 3: Cross multiply
288,743.91x = 432,825.07 × 120,357.44 - Step 4: Simplify right side
288,743.91x = 52,093,719,211.41 - Step 5: Solve for x
x = 52,093,719,211.41/288,743.91 - Step 6: Final answer
x = 180,414.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.