Home / 281,336.31-422,918.90-225,785.12

Finding the Fourth Proportional to 281,336.31, 422,918.90 and 225,785.12

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Solution

The fourth proportional to 281,336.31, 422,918.90 and 225,785.12 is: 339,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,336.31 : 422,918.90 = 225,785.12 : x
  2. Step 2: Convert to fraction form
    281,336.31/422,918.90 = 225,785.12/x
  3. Step 3: Cross multiply
    281,336.31x = 422,918.90 × 225,785.12
  4. Step 4: Simplify right side
    281,336.31x = 95,488,791,343.25
  5. Step 5: Solve for x
    x = 95,488,791,343.25/281,336.31
  6. Step 6: Final answer
    x = 339,411.54

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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.