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Finding the Fourth Proportional to 355,455.80, 532,319.70 and 188,876.60

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Solution

The fourth proportional to 355,455.80, 532,319.70 and 188,876.60 is: 282,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,455.80 : 532,319.70 = 188,876.60 : x
  2. Step 2: Convert to fraction form
    355,455.80/532,319.70 = 188,876.60/x
  3. Step 3: Cross multiply
    355,455.80x = 532,319.70 × 188,876.60
  4. Step 4: Simplify right side
    355,455.80x = 100,542,735,049.02
  5. Step 5: Solve for x
    x = 100,542,735,049.02/355,455.80
  6. Step 6: Final answer
    x = 282,855.80

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