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Finding the Fourth Proportional to 259,147.73, 387,797.79 and 179,201.95

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Solution

The fourth proportional to 259,147.73, 387,797.79 and 179,201.95 is: 268,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,147.73 : 387,797.79 = 179,201.95 : x
  2. Step 2: Convert to fraction form
    259,147.73/387,797.79 = 179,201.95/x
  3. Step 3: Cross multiply
    259,147.73x = 387,797.79 × 179,201.95
  4. Step 4: Simplify right side
    259,147.73x = 69,494,120,173.69
  5. Step 5: Solve for x
    x = 69,494,120,173.69/259,147.73
  6. Step 6: Final answer
    x = 268,164.11

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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.