Home / 391,919.24-587,772.07-107,542.37

Finding the Fourth Proportional to 391,919.24, 587,772.07 and 107,542.37

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Solution

The fourth proportional to 391,919.24, 587,772.07 and 107,542.37 is: 161,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,919.24 : 587,772.07 = 107,542.37 : x
  2. Step 2: Convert to fraction form
    391,919.24/587,772.07 = 107,542.37/x
  3. Step 3: Cross multiply
    391,919.24x = 587,772.07 × 107,542.37
  4. Step 4: Simplify right side
    391,919.24x = 63,210,398,488.75
  5. Step 5: Solve for x
    x = 63,210,398,488.75/391,919.24
  6. Step 6: Final answer
    x = 161,284.25

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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.