Home / 349,318.20-523,977.30-149,604.60

Finding the Fourth Proportional to 349,318.20, 523,977.30 and 149,604.60

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Solution

The fourth proportional to 349,318.20, 523,977.30 and 149,604.60 is: 224,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,318.20 : 523,977.30 = 149,604.60 : x
  2. Step 2: Convert to fraction form
    349,318.20/523,977.30 = 149,604.60/x
  3. Step 3: Cross multiply
    349,318.20x = 523,977.30 × 149,604.60
  4. Step 4: Simplify right side
    349,318.20x = 78,389,414,375.58
  5. Step 5: Solve for x
    x = 78,389,414,375.58/349,318.20
  6. Step 6: Final answer
    x = 224,406.90

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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.