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Finding the Fourth Proportional to 228,936.30, 343,404.45 and 104,520.30

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Solution

The fourth proportional to 228,936.30, 343,404.45 and 104,520.30 is: 156,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,936.30 : 343,404.45 = 104,520.30 : x
  2. Step 2: Convert to fraction form
    228,936.30/343,404.45 = 104,520.30/x
  3. Step 3: Cross multiply
    228,936.30x = 343,404.45 × 104,520.30
  4. Step 4: Simplify right side
    228,936.30x = 35,892,736,135.34
  5. Step 5: Solve for x
    x = 35,892,736,135.34/228,936.30
  6. Step 6: Final answer
    x = 156,780.45

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