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Finding the Fourth Proportional to 209,768.22, 314,389.56 and 165,219

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Solution

The fourth proportional to 209,768.22, 314,389.56 and 165,219 is: 247,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,768.22 : 314,389.56 = 165,219 : x
  2. Step 2: Convert to fraction form
    209,768.22/314,389.56 = 165,219/x
  3. Step 3: Cross multiply
    209,768.22x = 314,389.56 × 165,219
  4. Step 4: Simplify right side
    209,768.22x = 51,943,128,713.64
  5. Step 5: Solve for x
    x = 51,943,128,713.64/209,768.22
  6. Step 6: Final answer
    x = 247,621.54

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