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Finding the Fourth Proportional to 268,313.80, 402,470.70 and 264,814.60

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Solution

The fourth proportional to 268,313.80, 402,470.70 and 264,814.60 is: 397,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,313.80 : 402,470.70 = 264,814.60 : x
  2. Step 2: Convert to fraction form
    268,313.80/402,470.70 = 264,814.60/x
  3. Step 3: Cross multiply
    268,313.80x = 402,470.70 × 264,814.60
  4. Step 4: Simplify right side
    268,313.80x = 106,580,117,432.22
  5. Step 5: Solve for x
    x = 106,580,117,432.22/268,313.80
  6. Step 6: Final answer
    x = 397,221.90

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