Finding the Fourth Proportional to 288,545.44, 398,201.52 and 161,226.40
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Solution
The fourth proportional to 288,545.44, 398,201.52 and 161,226.40 is: 222,497.36
Step by Step Solution
- Step 1: Write the proportion equation
288,545.44 : 398,201.52 = 161,226.40 : x - Step 2: Convert to fraction form
288,545.44/398,201.52 = 161,226.40/x - Step 3: Cross multiply
288,545.44x = 398,201.52 × 161,226.40 - Step 4: Simplify right side
288,545.44x = 64,200,597,544.13 - Step 5: Solve for x
x = 64,200,597,544.13/288,545.44 - Step 6: Final answer
x = 222,497.36
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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.