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Finding the Fourth Proportional to 321,458.88, 482,089.86 and 222,256.56

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Solution

The fourth proportional to 321,458.88, 482,089.86 and 222,256.56 is: 333,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,458.88 : 482,089.86 = 222,256.56 : x
  2. Step 2: Convert to fraction form
    321,458.88/482,089.86 = 222,256.56/x
  3. Step 3: Cross multiply
    321,458.88x = 482,089.86 × 222,256.56
  4. Step 4: Simplify right side
    321,458.88x = 107,147,633,894.48
  5. Step 5: Solve for x
    x = 107,147,633,894.48/321,458.88
  6. Step 6: Final answer
    x = 333,316.76

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