Home / 383,486.16-574,834.68-146,764.88

Finding the Fourth Proportional to 383,486.16, 574,834.68 and 146,764.88

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Solution

The fourth proportional to 383,486.16, 574,834.68 and 146,764.88 is: 219,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,486.16 : 574,834.68 = 146,764.88 : x
  2. Step 2: Convert to fraction form
    383,486.16/574,834.68 = 146,764.88/x
  3. Step 3: Cross multiply
    383,486.16x = 574,834.68 × 146,764.88
  4. Step 4: Simplify right side
    383,486.16x = 84,365,542,830.04
  5. Step 5: Solve for x
    x = 84,365,542,830.04/383,486.16
  6. Step 6: Final answer
    x = 219,996.32

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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.