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Finding the Fourth Proportional to 310,311.60, 465,904.80 and 192,213.60

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Solution

The fourth proportional to 310,311.60, 465,904.80 and 192,213.60 is: 288,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,311.60 : 465,904.80 = 192,213.60 : x
  2. Step 2: Convert to fraction form
    310,311.60/465,904.80 = 192,213.60/x
  3. Step 3: Cross multiply
    310,311.60x = 465,904.80 × 192,213.60
  4. Step 4: Simplify right side
    310,311.60x = 89,553,238,865.28
  5. Step 5: Solve for x
    x = 89,553,238,865.28/310,311.60
  6. Step 6: Final answer
    x = 288,591.33

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