Home / 422,029.20-582,407.24-231,039.44

Finding the Fourth Proportional to 422,029.20, 582,407.24 and 231,039.44

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Solution

The fourth proportional to 422,029.20, 582,407.24 and 231,039.44 is: 318,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,029.20 : 582,407.24 = 231,039.44 : x
  2. Step 2: Convert to fraction form
    422,029.20/582,407.24 = 231,039.44/x
  3. Step 3: Cross multiply
    422,029.20x = 582,407.24 × 231,039.44
  4. Step 4: Simplify right side
    422,029.20x = 134,559,042,581.55
  5. Step 5: Solve for x
    x = 134,559,042,581.55/422,029.20
  6. Step 6: Final answer
    x = 318,838.23

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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.