Home / 269,136.82-403,708.31-115,242.08

Finding the Fourth Proportional to 269,136.82, 403,708.31 and 115,242.08

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Solution

The fourth proportional to 269,136.82, 403,708.31 and 115,242.08 is: 172,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136.82 : 403,708.31 = 115,242.08 : x
  2. Step 2: Convert to fraction form
    269,136.82/403,708.31 = 115,242.08/x
  3. Step 3: Cross multiply
    269,136.82x = 403,708.31 × 115,242.08
  4. Step 4: Simplify right side
    269,136.82x = 46,524,185,357.68
  5. Step 5: Solve for x
    x = 46,524,185,357.68/269,136.82
  6. Step 6: Final answer
    x = 172,864.44

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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.