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Finding the Fourth Proportional to 331,347.60, 497,021.40 and 109,731.60

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Solution

The fourth proportional to 331,347.60, 497,021.40 and 109,731.60 is: 164,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,347.60 : 497,021.40 = 109,731.60 : x
  2. Step 2: Convert to fraction form
    331,347.60/497,021.40 = 109,731.60/x
  3. Step 3: Cross multiply
    331,347.60x = 497,021.40 × 109,731.60
  4. Step 4: Simplify right side
    331,347.60x = 54,538,953,456.24
  5. Step 5: Solve for x
    x = 54,538,953,456.24/331,347.60
  6. Step 6: Final answer
    x = 164,597.40

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