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Finding the Fourth Proportional to 395,961.86, 546,420.66 and 223,876.96

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Solution

The fourth proportional to 395,961.86, 546,420.66 and 223,876.96 is: 308,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,961.86 : 546,420.66 = 223,876.96 : x
  2. Step 2: Convert to fraction form
    395,961.86/546,420.66 = 223,876.96/x
  3. Step 3: Cross multiply
    395,961.86x = 546,420.66 × 223,876.96
  4. Step 4: Simplify right side
    395,961.86x = 122,330,996,241.99
  5. Step 5: Solve for x
    x = 122,330,996,241.99/395,961.86
  6. Step 6: Final answer
    x = 308,946.41

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