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Finding the Fourth Proportional to 299,334.60, 447,908.40 and 220,602.60

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Solution

The fourth proportional to 299,334.60, 447,908.40 and 220,602.60 is: 330,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,334.60 : 447,908.40 = 220,602.60 : x
  2. Step 2: Convert to fraction form
    299,334.60/447,908.40 = 220,602.60/x
  3. Step 3: Cross multiply
    299,334.60x = 447,908.40 × 220,602.60
  4. Step 4: Simplify right side
    299,334.60x = 98,809,757,601.84
  5. Step 5: Solve for x
    x = 98,809,757,601.84/299,334.60
  6. Step 6: Final answer
    x = 330,098.02

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