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Finding the Fourth Proportional to 307,216.80, 460,825.20 and 200,928.60

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Solution

The fourth proportional to 307,216.80, 460,825.20 and 200,928.60 is: 301,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,216.80 : 460,825.20 = 200,928.60 : x
  2. Step 2: Convert to fraction form
    307,216.80/460,825.20 = 200,928.60/x
  3. Step 3: Cross multiply
    307,216.80x = 460,825.20 × 200,928.60
  4. Step 4: Simplify right side
    307,216.80x = 92,592,962,280.72
  5. Step 5: Solve for x
    x = 92,592,962,280.72/307,216.80
  6. Step 6: Final answer
    x = 301,392.90

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