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Finding the Fourth Proportional to 366,978.30, 550,337.85 and 130,328.70

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Solution

The fourth proportional to 366,978.30, 550,337.85 and 130,328.70 is: 195,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,978.30 : 550,337.85 = 130,328.70 : x
  2. Step 2: Convert to fraction form
    366,978.30/550,337.85 = 130,328.70/x
  3. Step 3: Cross multiply
    366,978.30x = 550,337.85 × 130,328.70
  4. Step 4: Simplify right side
    366,978.30x = 71,724,816,551.30
  5. Step 5: Solve for x
    x = 71,724,816,551.30/366,978.30
  6. Step 6: Final answer
    x = 195,447.02

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