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Finding the Fourth Proportional to 355,148.91, 490,120.40 and 204,246.03

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Solution

The fourth proportional to 355,148.91, 490,120.40 and 204,246.03 is: 281,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,148.91 : 490,120.40 = 204,246.03 : x
  2. Step 2: Convert to fraction form
    355,148.91/490,120.40 = 204,246.03/x
  3. Step 3: Cross multiply
    355,148.91x = 490,120.40 × 204,246.03
  4. Step 4: Simplify right side
    355,148.91x = 100,105,144,900.78
  5. Step 5: Solve for x
    x = 100,105,144,900.78/355,148.91
  6. Step 6: Final answer
    x = 281,868.09

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