Home / 251,120.20-376,680.30-231,874.60

Finding the Fourth Proportional to 251,120.20, 376,680.30 and 231,874.60

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Solution

The fourth proportional to 251,120.20, 376,680.30 and 231,874.60 is: 347,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,120.20 : 376,680.30 = 231,874.60 : x
  2. Step 2: Convert to fraction form
    251,120.20/376,680.30 = 231,874.60/x
  3. Step 3: Cross multiply
    251,120.20x = 376,680.30 × 231,874.60
  4. Step 4: Simplify right side
    251,120.20x = 87,342,593,890.38
  5. Step 5: Solve for x
    x = 87,342,593,890.38/251,120.20
  6. Step 6: Final answer
    x = 347,811.90

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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.