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Finding the Fourth Proportional to 355,447.75, 533,171.63 and 118,790.43

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Solution

The fourth proportional to 355,447.75, 533,171.63 and 118,790.43 is: 178,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,447.75 : 533,171.63 = 118,790.43 : x
  2. Step 2: Convert to fraction form
    355,447.75/533,171.63 = 118,790.43/x
  3. Step 3: Cross multiply
    355,447.75x = 533,171.63 × 118,790.43
  4. Step 4: Simplify right side
    355,447.75x = 63,335,686,597.55
  5. Step 5: Solve for x
    x = 63,335,686,597.55/355,447.75
  6. Step 6: Final answer
    x = 178,185.65

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