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Finding the Fourth Proportional to 366,946.80, 550,290.60 and 130,297.20

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Solution

The fourth proportional to 366,946.80, 550,290.60 and 130,297.20 is: 195,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,946.80 : 550,290.60 = 130,297.20 : x
  2. Step 2: Convert to fraction form
    366,946.80/550,290.60 = 130,297.20/x
  3. Step 3: Cross multiply
    366,946.80x = 550,290.60 × 130,297.20
  4. Step 4: Simplify right side
    366,946.80x = 71,701,324,366.32
  5. Step 5: Solve for x
    x = 71,701,324,366.32/366,946.80
  6. Step 6: Final answer
    x = 195,399.78

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