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Finding the Fourth Proportional to 366,942.60, 550,413.90 and 219,486.60

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Solution

The fourth proportional to 366,942.60, 550,413.90 and 219,486.60 is: 329,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.60 : 550,413.90 = 219,486.60 : x
  2. Step 2: Convert to fraction form
    366,942.60/550,413.90 = 219,486.60/x
  3. Step 3: Cross multiply
    366,942.60x = 550,413.90 × 219,486.60
  4. Step 4: Simplify right side
    366,942.60x = 120,808,475,503.74
  5. Step 5: Solve for x
    x = 120,808,475,503.74/366,942.60
  6. Step 6: Final answer
    x = 329,229.90

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