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Finding the Fourth Proportional to 355,600.74, 490,709.16 and 194,423.70

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Solution

The fourth proportional to 355,600.74, 490,709.16 and 194,423.70 is: 268,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,600.74 : 490,709.16 = 194,423.70 : x
  2. Step 2: Convert to fraction form
    355,600.74/490,709.16 = 194,423.70/x
  3. Step 3: Cross multiply
    355,600.74x = 490,709.16 × 194,423.70
  4. Step 4: Simplify right side
    355,600.74x = 95,405,490,511.09
  5. Step 5: Solve for x
    x = 95,405,490,511.09/355,600.74
  6. Step 6: Final answer
    x = 268,293.85

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