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Finding the Fourth Proportional to 370,454.53, 511,229.75 and 200,688.73

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Solution

The fourth proportional to 370,454.53, 511,229.75 and 200,688.73 is: 276,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,454.53 : 511,229.75 = 200,688.73 : x
  2. Step 2: Convert to fraction form
    370,454.53/511,229.75 = 200,688.73/x
  3. Step 3: Cross multiply
    370,454.53x = 511,229.75 × 200,688.73
  4. Step 4: Simplify right side
    370,454.53x = 102,598,048,262.27
  5. Step 5: Solve for x
    x = 102,598,048,262.27/370,454.53
  6. Step 6: Final answer
    x = 276,951.80

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