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Finding the Fourth Proportional to 200,628.84, 300,982.60 and 74,270.06

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Solution

The fourth proportional to 200,628.84, 300,982.60 and 74,270.06 is: 111,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,628.84 : 300,982.60 = 74,270.06 : x
  2. Step 2: Convert to fraction form
    200,628.84/300,982.60 = 74,270.06/x
  3. Step 3: Cross multiply
    200,628.84x = 300,982.60 × 74,270.06
  4. Step 4: Simplify right side
    200,628.84x = 22,353,994,070.37
  5. Step 5: Solve for x
    x = 22,353,994,070.37/200,628.84
  6. Step 6: Final answer
    x = 111,419.64

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