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Finding the Fourth Proportional to 355,850.70, 491,069.43 and 194,703.90

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Solution

The fourth proportional to 355,850.70, 491,069.43 and 194,703.90 is: 268,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,850.70 : 491,069.43 = 194,703.90 : x
  2. Step 2: Convert to fraction form
    355,850.70/491,069.43 = 194,703.90/x
  3. Step 3: Cross multiply
    355,850.70x = 491,069.43 × 194,703.90
  4. Step 4: Simplify right side
    355,850.70x = 95,613,133,191.78
  5. Step 5: Solve for x
    x = 95,613,133,191.78/355,850.70
  6. Step 6: Final answer
    x = 268,688.90

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