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Finding the Fourth Proportional to 313,912.40, 470,868.60 and 126,827.60

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Solution

The fourth proportional to 313,912.40, 470,868.60 and 126,827.60 is: 190,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,912.40 : 470,868.60 = 126,827.60 : x
  2. Step 2: Convert to fraction form
    313,912.40/470,868.60 = 126,827.60/x
  3. Step 3: Cross multiply
    313,912.40x = 470,868.60 × 126,827.60
  4. Step 4: Simplify right side
    313,912.40x = 59,719,134,453.36
  5. Step 5: Solve for x
    x = 59,719,134,453.36/313,912.40
  6. Step 6: Final answer
    x = 190,241.40

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