Home / 324,834.36-487,304.08-100,142.24

Finding the Fourth Proportional to 324,834.36, 487,304.08 and 100,142.24

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Solution

The fourth proportional to 324,834.36, 487,304.08 and 100,142.24 is: 150,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,834.36 : 487,304.08 = 100,142.24 : x
  2. Step 2: Convert to fraction form
    324,834.36/487,304.08 = 100,142.24/x
  3. Step 3: Cross multiply
    324,834.36x = 487,304.08 × 100,142.24
  4. Step 4: Simplify right side
    324,834.36x = 48,799,722,132.34
  5. Step 5: Solve for x
    x = 48,799,722,132.34/324,834.36
  6. Step 6: Final answer
    x = 150,229.56

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1.5x scale

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.