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Finding the Fourth Proportional to 366,928.70, 550,393.05 and 209,464.70

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Solution

The fourth proportional to 366,928.70, 550,393.05 and 209,464.70 is: 314,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.70 : 550,393.05 = 209,464.70 : x
  2. Step 2: Convert to fraction form
    366,928.70/550,393.05 = 209,464.70/x
  3. Step 3: Cross multiply
    366,928.70x = 550,393.05 × 209,464.70
  4. Step 4: Simplify right side
    366,928.70x = 115,287,915,100.34
  5. Step 5: Solve for x
    x = 115,287,915,100.34/366,928.70
  6. Step 6: Final answer
    x = 314,197.05

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