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Finding the Fourth Proportional to 303,843.20, 455,108.70 and 264,477.20

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Solution

The fourth proportional to 303,843.20, 455,108.70 and 264,477.20 is: 396,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,843.20 : 455,108.70 = 264,477.20 : x
  2. Step 2: Convert to fraction form
    303,843.20/455,108.70 = 264,477.20/x
  3. Step 3: Cross multiply
    303,843.20x = 455,108.70 × 264,477.20
  4. Step 4: Simplify right side
    303,843.20x = 120,365,874,671.64
  5. Step 5: Solve for x
    x = 120,365,874,671.64/303,843.20
  6. Step 6: Final answer
    x = 396,144.70

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