Home / 422,223.28-582,655.08-231,231.76

Finding the Fourth Proportional to 422,223.28, 582,655.08 and 231,231.76

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Solution

The fourth proportional to 422,223.28, 582,655.08 and 231,231.76 is: 319,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,223.28 : 582,655.08 = 231,231.76 : x
  2. Step 2: Convert to fraction form
    422,223.28/582,655.08 = 231,231.76/x
  3. Step 3: Cross multiply
    422,223.28x = 582,655.08 × 231,231.76
  4. Step 4: Simplify right side
    422,223.28x = 134,728,359,621.34
  5. Step 5: Solve for x
    x = 134,728,359,621.34/422,223.28
  6. Step 6: Final answer
    x = 319,092.68

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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.