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Finding the Fourth Proportional to 264,503.40, 396,755.10 and 197,143.80

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Solution

The fourth proportional to 264,503.40, 396,755.10 and 197,143.80 is: 295,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,503.40 : 396,755.10 = 197,143.80 : x
  2. Step 2: Convert to fraction form
    264,503.40/396,755.10 = 197,143.80/x
  3. Step 3: Cross multiply
    264,503.40x = 396,755.10 × 197,143.80
  4. Step 4: Simplify right side
    264,503.40x = 78,217,808,083.38
  5. Step 5: Solve for x
    x = 78,217,808,083.38/264,503.40
  6. Step 6: Final answer
    x = 295,715.70

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