Home / 276,726.20-415,089.30-99,251.15

Finding the Fourth Proportional to 276,726.20, 415,089.30 and 99,251.15

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Solution

The fourth proportional to 276,726.20, 415,089.30 and 99,251.15 is: 148,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,726.20 : 415,089.30 = 99,251.15 : x
  2. Step 2: Convert to fraction form
    276,726.20/415,089.30 = 99,251.15/x
  3. Step 3: Cross multiply
    276,726.20x = 415,089.30 × 99,251.15
  4. Step 4: Simplify right side
    276,726.20x = 41,198,090,377.70
  5. Step 5: Solve for x
    x = 41,198,090,377.70/276,726.20
  6. Step 6: Final answer
    x = 148,876.73

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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.