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Finding the Fourth Proportional to 313,629.69, 432,807.82 and 170,388.48

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Solution

The fourth proportional to 313,629.69, 432,807.82 and 170,388.48 is: 235,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,629.69 : 432,807.82 = 170,388.48 : x
  2. Step 2: Convert to fraction form
    313,629.69/432,807.82 = 170,388.48/x
  3. Step 3: Cross multiply
    313,629.69x = 432,807.82 × 170,388.48
  4. Step 4: Simplify right side
    313,629.69x = 73,745,466,581.91
  5. Step 5: Solve for x
    x = 73,745,466,581.91/313,629.69
  6. Step 6: Final answer
    x = 235,135.48

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