Home / 206,932.28-310,138.66-88,464.40

Finding the Fourth Proportional to 206,932.28, 310,138.66 and 88,464.40

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Solution

The fourth proportional to 206,932.28, 310,138.66 and 88,464.40 is: 132,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,932.28 : 310,138.66 = 88,464.40 : x
  2. Step 2: Convert to fraction form
    206,932.28/310,138.66 = 88,464.40/x
  3. Step 3: Cross multiply
    206,932.28x = 310,138.66 × 88,464.40
  4. Step 4: Simplify right side
    206,932.28x = 27,436,230,473.70
  5. Step 5: Solve for x
    x = 27,436,230,473.70/206,932.28
  6. Step 6: Final answer
    x = 132,585.55

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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.