Home / 281,634.56-422,447.20-68,404.22

Finding the Fourth Proportional to 281,634.56, 422,447.20 and 68,404.22

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Solution

The fourth proportional to 281,634.56, 422,447.20 and 68,404.22 is: 102,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,634.56 : 422,447.20 = 68,404.22 : x
  2. Step 2: Convert to fraction form
    281,634.56/422,447.20 = 68,404.22/x
  3. Step 3: Cross multiply
    281,634.56x = 422,447.20 × 68,404.22
  4. Step 4: Simplify right side
    281,634.56x = 28,897,168,923.94
  5. Step 5: Solve for x
    x = 28,897,168,923.94/281,634.56
  6. Step 6: Final answer
    x = 102,605.20

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1.5x scale

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.