Home / 269,319.30-403,982.46-129,045.12

Finding the Fourth Proportional to 269,319.30, 403,982.46 and 129,045.12

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Solution

The fourth proportional to 269,319.30, 403,982.46 and 129,045.12 is: 193,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,319.30 : 403,982.46 = 129,045.12 : x
  2. Step 2: Convert to fraction form
    269,319.30/403,982.46 = 129,045.12/x
  3. Step 3: Cross multiply
    269,319.30x = 403,982.46 × 129,045.12
  4. Step 4: Simplify right side
    269,319.30x = 52,131,965,028.60
  5. Step 5: Solve for x
    x = 52,131,965,028.60/269,319.30
  6. Step 6: Final answer
    x = 193,569.36

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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.