Home / 281,917.67-422,831.48-82,191.34

Finding the Fourth Proportional to 281,917.67, 422,831.48 and 82,191.34

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Solution

The fourth proportional to 281,917.67, 422,831.48 and 82,191.34 is: 123,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,917.67 : 422,831.48 = 82,191.34 : x
  2. Step 2: Convert to fraction form
    281,917.67/422,831.48 = 82,191.34/x
  3. Step 3: Cross multiply
    281,917.67x = 422,831.48 × 82,191.34
  4. Step 4: Simplify right side
    281,917.67x = 34,753,086,052.97
  5. Step 5: Solve for x
    x = 34,753,086,052.97/281,917.67
  6. Step 6: Final answer
    x = 123,273.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.