Home / 383,550.30-574,839.45-146,576.70

Finding the Fourth Proportional to 383,550.30, 574,839.45 and 146,576.70

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Solution

The fourth proportional to 383,550.30, 574,839.45 and 146,576.70 is: 219,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,550.30 : 574,839.45 = 146,576.70 : x
  2. Step 2: Convert to fraction form
    383,550.30/574,839.45 = 146,576.70/x
  3. Step 3: Cross multiply
    383,550.30x = 574,839.45 × 146,576.70
  4. Step 4: Simplify right side
    383,550.30x = 84,258,069,610.82
  5. Step 5: Solve for x
    x = 84,258,069,610.82/383,550.30
  6. Step 6: Final answer
    x = 219,679.32

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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.