Home / 269,166.78-403,753.41-115,272.05

Finding the Fourth Proportional to 269,166.78, 403,753.41 and 115,272.05

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Solution

The fourth proportional to 269,166.78, 403,753.41 and 115,272.05 is: 172,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,166.78 : 403,753.41 = 115,272.05 : x
  2. Step 2: Convert to fraction form
    269,166.78/403,753.41 = 115,272.05/x
  3. Step 3: Cross multiply
    269,166.78x = 403,753.41 × 115,272.05
  4. Step 4: Simplify right side
    269,166.78x = 46,541,481,246.42
  5. Step 5: Solve for x
    x = 46,541,481,246.42/269,166.78
  6. Step 6: Final answer
    x = 172,909.46

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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.