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Finding the Fourth Proportional to 363,453.22, 545,148.66 and 221,261.62

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Solution

The fourth proportional to 363,453.22, 545,148.66 and 221,261.62 is: 331,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,453.22 : 545,148.66 = 221,261.62 : x
  2. Step 2: Convert to fraction form
    363,453.22/545,148.66 = 221,261.62/x
  3. Step 3: Cross multiply
    363,453.22x = 545,148.66 × 221,261.62
  4. Step 4: Simplify right side
    363,453.22x = 120,620,475,652.43
  5. Step 5: Solve for x
    x = 120,620,475,652.43/363,453.22
  6. Step 6: Final answer
    x = 331,873.45

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