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Finding the Fourth Proportional to 228,268.80, 315,004.80 and 127,660.80

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Solution

The fourth proportional to 228,268.80, 315,004.80 and 127,660.80 is: 176,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,268.80 : 315,004.80 = 127,660.80 : x
  2. Step 2: Convert to fraction form
    228,268.80/315,004.80 = 127,660.80/x
  3. Step 3: Cross multiply
    228,268.80x = 315,004.80 × 127,660.80
  4. Step 4: Simplify right side
    228,268.80x = 40,213,764,771.84
  5. Step 5: Solve for x
    x = 40,213,764,771.84/228,268.80
  6. Step 6: Final answer
    x = 176,168.47

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