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Finding the Fourth Proportional to 257,467.20, 386,200.80 and 246,969.60

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Solution

The fourth proportional to 257,467.20, 386,200.80 and 246,969.60 is: 370,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,467.20 : 386,200.80 = 246,969.60 : x
  2. Step 2: Convert to fraction form
    257,467.20/386,200.80 = 246,969.60/x
  3. Step 3: Cross multiply
    257,467.20x = 386,200.80 × 246,969.60
  4. Step 4: Simplify right side
    257,467.20x = 95,379,857,095.68
  5. Step 5: Solve for x
    x = 95,379,857,095.68/257,467.20
  6. Step 6: Final answer
    x = 370,454.40

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