Home / 281,932.29-422,891.40-82,254.43

Finding the Fourth Proportional to 281,932.29, 422,891.40 and 82,254.43

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Solution

The fourth proportional to 281,932.29, 422,891.40 and 82,254.43 is: 123,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,932.29 : 422,891.40 = 82,254.43 : x
  2. Step 2: Convert to fraction form
    281,932.29/422,891.40 = 82,254.43/x
  3. Step 3: Cross multiply
    281,932.29x = 422,891.40 × 82,254.43
  4. Step 4: Simplify right side
    281,932.29x = 34,784,691,433.29
  5. Step 5: Solve for x
    x = 34,784,691,433.29/281,932.29
  6. Step 6: Final answer
    x = 123,379.59

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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.