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Finding the Fourth Proportional to 323,735.40, 485,743.20 and 173,800.80

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Solution

The fourth proportional to 323,735.40, 485,743.20 and 173,800.80 is: 260,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,735.40 : 485,743.20 = 173,800.80 : x
  2. Step 2: Convert to fraction form
    323,735.40/485,743.20 = 173,800.80/x
  3. Step 3: Cross multiply
    323,735.40x = 485,743.20 × 173,800.80
  4. Step 4: Simplify right side
    323,735.40x = 84,422,556,754.56
  5. Step 5: Solve for x
    x = 84,422,556,754.56/323,735.40
  6. Step 6: Final answer
    x = 260,776.41

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