Home / 269,936.52-405,150.48-143,682.78

Finding the Fourth Proportional to 269,936.52, 405,150.48 and 143,682.78

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Solution

The fourth proportional to 269,936.52, 405,150.48 and 143,682.78 is: 215,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,936.52 : 405,150.48 = 143,682.78 : x
  2. Step 2: Convert to fraction form
    269,936.52/405,150.48 = 143,682.78/x
  3. Step 3: Cross multiply
    269,936.52x = 405,150.48 × 143,682.78
  4. Step 4: Simplify right side
    269,936.52x = 58,213,147,284.73
  5. Step 5: Solve for x
    x = 58,213,147,284.73/269,936.52
  6. Step 6: Final answer
    x = 215,654.95

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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.