Home / 422,122.40-582,528.96-231,147.52

Finding the Fourth Proportional to 422,122.40, 582,528.96 and 231,147.52

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Solution

The fourth proportional to 422,122.40, 582,528.96 and 231,147.52 is: 318,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,122.40 : 582,528.96 = 231,147.52 : x
  2. Step 2: Convert to fraction form
    422,122.40/582,528.96 = 231,147.52/x
  3. Step 3: Cross multiply
    422,122.40x = 582,528.96 × 231,147.52
  4. Step 4: Simplify right side
    422,122.40x = 134,650,124,432.18
  5. Step 5: Solve for x
    x = 134,650,124,432.18/422,122.40
  6. Step 6: Final answer
    x = 318,983.60

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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.