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Finding the Fourth Proportional to 279,112.22, 385,317.87 and 188,945.18

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Solution

The fourth proportional to 279,112.22, 385,317.87 and 188,945.18 is: 260,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,112.22 : 385,317.87 = 188,945.18 : x
  2. Step 2: Convert to fraction form
    279,112.22/385,317.87 = 188,945.18/x
  3. Step 3: Cross multiply
    279,112.22x = 385,317.87 × 188,945.18
  4. Step 4: Simplify right side
    279,112.22x = 72,803,954,304.37
  5. Step 5: Solve for x
    x = 72,803,954,304.37/279,112.22
  6. Step 6: Final answer
    x = 260,841.16

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