Home / 252,729.18-379,067.74-84,231.29

Finding the Fourth Proportional to 252,729.18, 379,067.74 and 84,231.29

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Solution

The fourth proportional to 252,729.18, 379,067.74 and 84,231.29 is: 126,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,729.18 : 379,067.74 = 84,231.29 : x
  2. Step 2: Convert to fraction form
    252,729.18/379,067.74 = 84,231.29/x
  3. Step 3: Cross multiply
    252,729.18x = 379,067.74 × 84,231.29
  4. Step 4: Simplify right side
    252,729.18x = 31,929,365,474.68
  5. Step 5: Solve for x
    x = 31,929,365,474.68/252,729.18
  6. Step 6: Final answer
    x = 126,338.26

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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.