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Finding the Fourth Proportional to 366,960.85, 550,441.28 and 266,909.65

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Solution

The fourth proportional to 366,960.85, 550,441.28 and 266,909.65 is: 400,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.85 : 550,441.28 = 266,909.65 : x
  2. Step 2: Convert to fraction form
    366,960.85/550,441.28 = 266,909.65/x
  3. Step 3: Cross multiply
    366,960.85x = 550,441.28 × 266,909.65
  4. Step 4: Simplify right side
    366,960.85x = 146,918,089,390.35
  5. Step 5: Solve for x
    x = 146,918,089,390.35/366,960.85
  6. Step 6: Final answer
    x = 400,364.48

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