Finding the Fourth Proportional to 288,864.24, 398,789.37 and 174,163.38
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Solution
The fourth proportional to 288,864.24, 398,789.37 and 174,163.38 is: 240,439.95
Step by Step Solution
- Step 1: Write the proportion equation
288,864.24 : 398,789.37 = 174,163.38 : x - Step 2: Convert to fraction form
288,864.24/398,789.37 = 174,163.38/x - Step 3: Cross multiply
288,864.24x = 398,789.37 × 174,163.38 - Step 4: Simplify right side
288,864.24x = 69,454,504,587.27 - Step 5: Solve for x
x = 69,454,504,587.27/288,864.24 - Step 6: Final answer
x = 240,439.95
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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.