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Finding the Fourth Proportional to 366,911.10, 550,366.65 and 266,859.90

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Solution

The fourth proportional to 366,911.10, 550,366.65 and 266,859.90 is: 400,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.10 : 550,366.65 = 266,859.90 : x
  2. Step 2: Convert to fraction form
    366,911.10/550,366.65 = 266,859.90/x
  3. Step 3: Cross multiply
    366,911.10x = 550,366.65 × 266,859.90
  4. Step 4: Simplify right side
    366,911.10x = 146,870,789,182.34
  5. Step 5: Solve for x
    x = 146,870,789,182.34/366,911.10
  6. Step 6: Final answer
    x = 400,289.85

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