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Finding the Fourth Proportional to 355,661.34, 490,794.48 and 194,485.08

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Solution

The fourth proportional to 355,661.34, 490,794.48 and 194,485.08 is: 268,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,661.34 : 490,794.48 = 194,485.08 : x
  2. Step 2: Convert to fraction form
    355,661.34/490,794.48 = 194,485.08/x
  3. Step 3: Cross multiply
    355,661.34x = 490,794.48 × 194,485.08
  4. Step 4: Simplify right side
    355,661.34x = 95,452,203,706.36
  5. Step 5: Solve for x
    x = 95,452,203,706.36/355,661.34
  6. Step 6: Final answer
    x = 268,379.47

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