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Finding the Fourth Proportional to 384,548.31, 576,831.78 and 118,311.03

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Solution

The fourth proportional to 384,548.31, 576,831.78 and 118,311.03 is: 177,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,548.31 : 576,831.78 = 118,311.03 : x
  2. Step 2: Convert to fraction form
    384,548.31/576,831.78 = 118,311.03/x
  3. Step 3: Cross multiply
    384,548.31x = 576,831.78 × 118,311.03
  4. Step 4: Simplify right side
    384,548.31x = 68,245,562,028.53
  5. Step 5: Solve for x
    x = 68,245,562,028.53/384,548.31
  6. Step 6: Final answer
    x = 177,469.41

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