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Finding the Fourth Proportional to 248,091.20, 372,136.80 and 238,414.40

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Solution

The fourth proportional to 248,091.20, 372,136.80 and 238,414.40 is: 357,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,091.20 : 372,136.80 = 238,414.40 : x
  2. Step 2: Convert to fraction form
    248,091.20/372,136.80 = 238,414.40/x
  3. Step 3: Cross multiply
    248,091.20x = 372,136.80 × 238,414.40
  4. Step 4: Simplify right side
    248,091.20x = 88,722,771,889.92
  5. Step 5: Solve for x
    x = 88,722,771,889.92/248,091.20
  6. Step 6: Final answer
    x = 357,621.60

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