Finding the Fourth Proportional to 288,571.14, 398,227.86 and 161,246.70
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Solution
The fourth proportional to 288,571.14, 398,227.86 and 161,246.70 is: 222,520.27
Step by Step Solution
- Step 1: Write the proportion equation
288,571.14 : 398,227.86 = 161,246.70 : x - Step 2: Convert to fraction form
288,571.14/398,227.86 = 161,246.70/x - Step 3: Cross multiply
288,571.14x = 398,227.86 × 161,246.70 - Step 4: Simplify right side
288,571.14x = 64,212,928,273.06 - Step 5: Solve for x
x = 64,212,928,273.06/288,571.14 - Step 6: Final answer
x = 222,520.27
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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.