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Finding the Fourth Proportional to 355,917.85, 491,265.81 and 203,041.08

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Solution

The fourth proportional to 355,917.85, 491,265.81 and 203,041.08 is: 280,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,917.85 : 491,265.81 = 203,041.08 : x
  2. Step 2: Convert to fraction form
    355,917.85/491,265.81 = 203,041.08/x
  3. Step 3: Cross multiply
    355,917.85x = 491,265.81 × 203,041.08
  4. Step 4: Simplify right side
    355,917.85x = 99,747,140,629.47
  5. Step 5: Solve for x
    x = 99,747,140,629.47/355,917.85
  6. Step 6: Final answer
    x = 280,253.27

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