Finding the Fourth Proportional to 288,966.08, 398,853.34 and 168,130.71
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Solution
The fourth proportional to 288,966.08, 398,853.34 and 168,130.71 is: 232,067.02
Step by Step Solution
- Step 1: Write the proportion equation
288,966.08 : 398,853.34 = 168,130.71 : x - Step 2: Convert to fraction form
288,966.08/398,853.34 = 168,130.71/x - Step 3: Cross multiply
288,966.08x = 398,853.34 × 168,130.71 - Step 4: Simplify right side
288,966.08x = 67,059,496,414.39 - Step 5: Solve for x
x = 67,059,496,414.39/288,966.08 - Step 6: Final answer
x = 232,067.02
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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.