Home / 422,144.15-582,557.96-231,155.87

Finding the Fourth Proportional to 422,144.15, 582,557.96 and 231,155.87

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Solution

The fourth proportional to 422,144.15, 582,557.96 and 231,155.87 is: 318,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,144.15 : 582,557.96 = 231,155.87 : x
  2. Step 2: Convert to fraction form
    422,144.15/582,557.96 = 231,155.87/x
  3. Step 3: Cross multiply
    422,144.15x = 582,557.96 × 231,155.87
  4. Step 4: Simplify right side
    422,144.15x = 134,661,690,913.45
  5. Step 5: Solve for x
    x = 134,661,690,913.45/422,144.15
  6. Step 6: Final answer
    x = 318,994.57

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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.