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Finding the Fourth Proportional to 378,183.99, 521,893.98 and 206,101.98

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Solution

The fourth proportional to 378,183.99, 521,893.98 and 206,101.98 is: 284,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,183.99 : 521,893.98 = 206,101.98 : x
  2. Step 2: Convert to fraction form
    378,183.99/521,893.98 = 206,101.98/x
  3. Step 3: Cross multiply
    378,183.99x = 521,893.98 × 206,101.98
  4. Step 4: Simplify right side
    378,183.99x = 107,563,382,628.08
  5. Step 5: Solve for x
    x = 107,563,382,628.08/378,183.99
  6. Step 6: Final answer
    x = 284,420.77

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