Home / 281,589.22-422,348.58-92,033.74

Finding the Fourth Proportional to 281,589.22, 422,348.58 and 92,033.74

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Solution

The fourth proportional to 281,589.22, 422,348.58 and 92,033.74 is: 138,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,589.22 : 422,348.58 = 92,033.74 : x
  2. Step 2: Convert to fraction form
    281,589.22/422,348.58 = 92,033.74/x
  3. Step 3: Cross multiply
    281,589.22x = 422,348.58 × 92,033.74
  4. Step 4: Simplify right side
    281,589.22x = 38,870,319,401.09
  5. Step 5: Solve for x
    x = 38,870,319,401.09/281,589.22
  6. Step 6: Final answer
    x = 138,039.09

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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.