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Finding the Fourth Proportional to 470,909.20, 706,104.60 and 155,203.60

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Solution

The fourth proportional to 470,909.20, 706,104.60 and 155,203.60 is: 232,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,909.20 : 706,104.60 = 155,203.60 : x
  2. Step 2: Convert to fraction form
    470,909.20/706,104.60 = 155,203.60/x
  3. Step 3: Cross multiply
    470,909.20x = 706,104.60 × 155,203.60
  4. Step 4: Simplify right side
    470,909.20x = 109,589,975,896.56
  5. Step 5: Solve for x
    x = 109,589,975,896.56/470,909.20
  6. Step 6: Final answer
    x = 232,719.97

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