Home / 383,719.35-575,250.78-147,231.75

Finding the Fourth Proportional to 383,719.35, 575,250.78 and 147,231.75

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Solution

The fourth proportional to 383,719.35, 575,250.78 and 147,231.75 is: 220,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,719.35 : 575,250.78 = 147,231.75 : x
  2. Step 2: Convert to fraction form
    383,719.35/575,250.78 = 147,231.75/x
  3. Step 3: Cross multiply
    383,719.35x = 575,250.78 × 147,231.75
  4. Step 4: Simplify right side
    383,719.35x = 84,695,179,028.27
  5. Step 5: Solve for x
    x = 84,695,179,028.27/383,719.35
  6. Step 6: Final answer
    x = 220,721.68

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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.