Home / 422,179.92-582,621.48-231,211.44

Finding the Fourth Proportional to 422,179.92, 582,621.48 and 231,211.44

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Solution

The fourth proportional to 422,179.92, 582,621.48 and 231,211.44 is: 319,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,179.92 : 582,621.48 = 231,211.44 : x
  2. Step 2: Convert to fraction form
    422,179.92/582,621.48 = 231,211.44/x
  3. Step 3: Cross multiply
    422,179.92x = 582,621.48 × 231,211.44
  4. Step 4: Simplify right side
    422,179.92x = 134,708,751,365.73
  5. Step 5: Solve for x
    x = 134,708,751,365.73/422,179.92
  6. Step 6: Final answer
    x = 319,079.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.