Home / 269,134.82-403,705.31-115,240.08

Finding the Fourth Proportional to 269,134.82, 403,705.31 and 115,240.08

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Solution

The fourth proportional to 269,134.82, 403,705.31 and 115,240.08 is: 172,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,134.82 : 403,705.31 = 115,240.08 : x
  2. Step 2: Convert to fraction form
    269,134.82/403,705.31 = 115,240.08/x
  3. Step 3: Cross multiply
    269,134.82x = 403,705.31 × 115,240.08
  4. Step 4: Simplify right side
    269,134.82x = 46,523,031,644.62
  5. Step 5: Solve for x
    x = 46,523,031,644.62/269,134.82
  6. Step 6: Final answer
    x = 172,861.44

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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.