Home / 422,341.25-582,831.03-231,361.43

Finding the Fourth Proportional to 422,341.25, 582,831.03 and 231,361.43

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Solution

The fourth proportional to 422,341.25, 582,831.03 and 231,361.43 is: 319,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,341.25 : 582,831.03 = 231,361.43 : x
  2. Step 2: Convert to fraction form
    422,341.25/582,831.03 = 231,361.43/x
  3. Step 3: Cross multiply
    422,341.25x = 582,831.03 × 231,361.43
  4. Step 4: Simplify right side
    422,341.25x = 134,844,617,635.02
  5. Step 5: Solve for x
    x = 134,844,617,635.02/422,341.25
  6. Step 6: Final answer
    x = 319,278.83

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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.