Home / 281,581.47-422,372.79-68,348.52

Finding the Fourth Proportional to 281,581.47, 422,372.79 and 68,348.52

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Solution

The fourth proportional to 281,581.47, 422,372.79 and 68,348.52 is: 102,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,581.47 : 422,372.79 = 68,348.52 : x
  2. Step 2: Convert to fraction form
    281,581.47/422,372.79 = 68,348.52/x
  3. Step 3: Cross multiply
    281,581.47x = 422,372.79 × 68,348.52
  4. Step 4: Simplify right side
    281,581.47x = 28,868,555,084.77
  5. Step 5: Solve for x
    x = 28,868,555,084.77/281,581.47
  6. Step 6: Final answer
    x = 102,522.92

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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.