Home / 324,747.20-487,034.40-100,107.20

Finding the Fourth Proportional to 324,747.20, 487,034.40 and 100,107.20

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Solution

The fourth proportional to 324,747.20, 487,034.40 and 100,107.20 is: 150,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,747.20 : 487,034.40 = 100,107.20 : x
  2. Step 2: Convert to fraction form
    324,747.20/487,034.40 = 100,107.20/x
  3. Step 3: Cross multiply
    324,747.20x = 487,034.40 × 100,107.20
  4. Step 4: Simplify right side
    324,747.20x = 48,755,650,087.68
  5. Step 5: Solve for x
    x = 48,755,650,087.68/324,747.20
  6. Step 6: Final answer
    x = 150,134.17

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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.