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Finding the Fourth Proportional to 250,711.97, 345,987.20 and 153,867.29

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Solution

The fourth proportional to 250,711.97, 345,987.20 and 153,867.29 is: 212,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,711.97 : 345,987.20 = 153,867.29 : x
  2. Step 2: Convert to fraction form
    250,711.97/345,987.20 = 153,867.29/x
  3. Step 3: Cross multiply
    250,711.97x = 345,987.20 × 153,867.29
  4. Step 4: Simplify right side
    250,711.97x = 53,236,110,339.42
  5. Step 5: Solve for x
    x = 53,236,110,339.42/250,711.97
  6. Step 6: Final answer
    x = 212,339.73

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