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Finding the Fourth Proportional to 312,233.46, 430,892.62 and 191,351.40

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Solution

The fourth proportional to 312,233.46, 430,892.62 and 191,351.40 is: 264,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,233.46 : 430,892.62 = 191,351.40 : x
  2. Step 2: Convert to fraction form
    312,233.46/430,892.62 = 191,351.40/x
  3. Step 3: Cross multiply
    312,233.46x = 430,892.62 × 191,351.40
  4. Step 4: Simplify right side
    312,233.46x = 82,451,906,086.67
  5. Step 5: Solve for x
    x = 82,451,906,086.67/312,233.46
  6. Step 6: Final answer
    x = 264,071.33

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