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Finding the Fourth Proportional to 262,775.80, 394,358.10 and 173,999.80

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Solution

The fourth proportional to 262,775.80, 394,358.10 and 173,999.80 is: 261,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,775.80 : 394,358.10 = 173,999.80 : x
  2. Step 2: Convert to fraction form
    262,775.80/394,358.10 = 173,999.80/x
  3. Step 3: Cross multiply
    262,775.80x = 394,358.10 × 173,999.80
  4. Step 4: Simplify right side
    262,775.80x = 68,618,230,528.38
  5. Step 5: Solve for x
    x = 68,618,230,528.38/262,775.80
  6. Step 6: Final answer
    x = 261,128.42

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