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Finding the Fourth Proportional to 271,175.20, 406,762.80 and 74,183.20

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Solution

The fourth proportional to 271,175.20, 406,762.80 and 74,183.20 is: 111,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,175.20 : 406,762.80 = 74,183.20 : x
  2. Step 2: Convert to fraction form
    271,175.20/406,762.80 = 74,183.20/x
  3. Step 3: Cross multiply
    271,175.20x = 406,762.80 × 74,183.20
  4. Step 4: Simplify right side
    271,175.20x = 30,174,966,144.96
  5. Step 5: Solve for x
    x = 30,174,966,144.96/271,175.20
  6. Step 6: Final answer
    x = 111,274.80

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