Home / 245,589.38-338,789.28-143,548.17

Finding the Fourth Proportional to 245,589.38, 338,789.28 and 143,548.17

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Solution

The fourth proportional to 245,589.38, 338,789.28 and 143,548.17 is: 198,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,589.38 : 338,789.28 = 143,548.17 : x
  2. Step 2: Convert to fraction form
    245,589.38/338,789.28 = 143,548.17/x
  3. Step 3: Cross multiply
    245,589.38x = 338,789.28 × 143,548.17
  4. Step 4: Simplify right side
    245,589.38x = 48,632,581,159.62
  5. Step 5: Solve for x
    x = 48,632,581,159.62/245,589.38
  6. Step 6: Final answer
    x = 198,023.96

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1.5x scale

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.