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Finding the Fourth Proportional to 336,940.29, 505,241.42 and 112,221.72

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Solution

The fourth proportional to 336,940.29, 505,241.42 and 112,221.72 is: 168,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,940.29 : 505,241.42 = 112,221.72 : x
  2. Step 2: Convert to fraction form
    336,940.29/505,241.42 = 112,221.72/x
  3. Step 3: Cross multiply
    336,940.29x = 505,241.42 × 112,221.72
  4. Step 4: Simplify right side
    336,940.29x = 56,699,060,606.53
  5. Step 5: Solve for x
    x = 56,699,060,606.53/336,940.29
  6. Step 6: Final answer
    x = 168,276.29

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