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Finding the Fourth Proportional to 274,578.02, 378,873.78 and 153,724.40

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Solution

The fourth proportional to 274,578.02, 378,873.78 and 153,724.40 is: 212,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,578.02 : 378,873.78 = 153,724.40 : x
  2. Step 2: Convert to fraction form
    274,578.02/378,873.78 = 153,724.40/x
  3. Step 3: Cross multiply
    274,578.02x = 378,873.78 × 153,724.40
  4. Step 4: Simplify right side
    274,578.02x = 58,242,144,506.23
  5. Step 5: Solve for x
    x = 58,242,144,506.23/274,578.02
  6. Step 6: Final answer
    x = 212,115.10

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