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Finding the Fourth Proportional to 366,970.80, 550,164.60 and 200,758.80

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Solution

The fourth proportional to 366,970.80, 550,164.60 and 200,758.80 is: 300,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970.80 : 550,164.60 = 200,758.80 : x
  2. Step 2: Convert to fraction form
    366,970.80/550,164.60 = 200,758.80/x
  3. Step 3: Cross multiply
    366,970.80x = 550,164.60 × 200,758.80
  4. Step 4: Simplify right side
    366,970.80x = 110,450,384,898.48
  5. Step 5: Solve for x
    x = 110,450,384,898.48/366,970.80
  6. Step 6: Final answer
    x = 300,978.67

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