Home / 281,255.52-422,381.44-269,631.22

Finding the Fourth Proportional to 281,255.52, 422,381.44 and 269,631.22

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Solution

The fourth proportional to 281,255.52, 422,381.44 and 269,631.22 is: 404,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,255.52 : 422,381.44 = 269,631.22 : x
  2. Step 2: Convert to fraction form
    281,255.52/422,381.44 = 269,631.22/x
  3. Step 3: Cross multiply
    281,255.52x = 422,381.44 × 269,631.22
  4. Step 4: Simplify right side
    281,255.52x = 113,887,222,972.56
  5. Step 5: Solve for x
    x = 113,887,222,972.56/281,255.52
  6. Step 6: Final answer
    x = 404,924.40

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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.