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Finding the Fourth Proportional to 306,149.76, 422,486.40 and 170,179.44

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Solution

The fourth proportional to 306,149.76, 422,486.40 and 170,179.44 is: 234,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,149.76 : 422,486.40 = 170,179.44 : x
  2. Step 2: Convert to fraction form
    306,149.76/422,486.40 = 170,179.44/x
  3. Step 3: Cross multiply
    306,149.76x = 422,486.40 × 170,179.44
  4. Step 4: Simplify right side
    306,149.76x = 71,898,498,959.62
  5. Step 5: Solve for x
    x = 71,898,498,959.62/306,149.76
  6. Step 6: Final answer
    x = 234,847.48

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