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Finding the Fourth Proportional to 312,040.40, 468,060.60 and 264,801.20

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Solution

The fourth proportional to 312,040.40, 468,060.60 and 264,801.20 is: 397,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,040.40 : 468,060.60 = 264,801.20 : x
  2. Step 2: Convert to fraction form
    312,040.40/468,060.60 = 264,801.20/x
  3. Step 3: Cross multiply
    312,040.40x = 468,060.60 × 264,801.20
  4. Step 4: Simplify right side
    312,040.40x = 123,943,008,552.72
  5. Step 5: Solve for x
    x = 123,943,008,552.72/312,040.40
  6. Step 6: Final answer
    x = 397,201.80

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