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Finding the Fourth Proportional to 366,942.20, 550,413.30 and 254,967.80

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Solution

The fourth proportional to 366,942.20, 550,413.30 and 254,967.80 is: 382,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.20 : 550,413.30 = 254,967.80 : x
  2. Step 2: Convert to fraction form
    366,942.20/550,413.30 = 254,967.80/x
  3. Step 3: Cross multiply
    366,942.20x = 550,413.30 × 254,967.80
  4. Step 4: Simplify right side
    366,942.20x = 140,337,668,191.74
  5. Step 5: Solve for x
    x = 140,337,668,191.74/366,942.20
  6. Step 6: Final answer
    x = 382,451.70

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