Home / 383,138.14-574,754.92-130,399.20

Finding the Fourth Proportional to 383,138.14, 574,754.92 and 130,399.20

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Solution

The fourth proportional to 383,138.14, 574,754.92 and 130,399.20 is: 195,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,138.14 : 574,754.92 = 130,399.20 : x
  2. Step 2: Convert to fraction form
    383,138.14/574,754.92 = 130,399.20/x
  3. Step 3: Cross multiply
    383,138.14x = 574,754.92 × 130,399.20
  4. Step 4: Simplify right side
    383,138.14x = 74,947,583,593.40
  5. Step 5: Solve for x
    x = 74,947,583,593.40/383,138.14
  6. Step 6: Final answer
    x = 195,615.04

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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.