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Finding the Fourth Proportional to 267,890.86, 401,836.26 and 208,770.76

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Solution

The fourth proportional to 267,890.86, 401,836.26 and 208,770.76 is: 313,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,890.86 : 401,836.26 = 208,770.76 : x
  2. Step 2: Convert to fraction form
    267,890.86/401,836.26 = 208,770.76/x
  3. Step 3: Cross multiply
    267,890.86x = 401,836.26 × 208,770.76
  4. Step 4: Simplify right side
    267,890.86x = 83,891,661,395.76
  5. Step 5: Solve for x
    x = 83,891,661,395.76/267,890.86
  6. Step 6: Final answer
    x = 313,156.12

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