Home / 355,867.20-491,092.56-194,720.40

Finding the Fourth Proportional to 355,867.20, 491,092.56 and 194,720.40

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Solution

The fourth proportional to 355,867.20, 491,092.56 and 194,720.40 is: 268,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,867.20 : 491,092.56 = 194,720.40 : x
  2. Step 2: Convert to fraction form
    355,867.20/491,092.56 = 194,720.40/x
  3. Step 3: Cross multiply
    355,867.20x = 491,092.56 × 194,720.40
  4. Step 4: Simplify right side
    355,867.20x = 95,625,739,720.22
  5. Step 5: Solve for x
    x = 95,625,739,720.22/355,867.20
  6. Step 6: Final answer
    x = 268,711.87

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