Home / 266,234.20-398,832.90-147,693.40

Finding the Fourth Proportional to 266,234.20, 398,832.90 and 147,693.40

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Solution

The fourth proportional to 266,234.20, 398,832.90 and 147,693.40 is: 221,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,234.20 : 398,832.90 = 147,693.40 : x
  2. Step 2: Convert to fraction form
    266,234.20/398,832.90 = 147,693.40/x
  3. Step 3: Cross multiply
    266,234.20x = 398,832.90 × 147,693.40
  4. Step 4: Simplify right side
    266,234.20x = 58,904,987,032.86
  5. Step 5: Solve for x
    x = 58,904,987,032.86/266,234.20
  6. Step 6: Final answer
    x = 221,252.52

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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.