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Finding the Fourth Proportional to 405,331.04, 607,668.60 and 168,851.36

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Solution

The fourth proportional to 405,331.04, 607,668.60 and 168,851.36 is: 253,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,331.04 : 607,668.60 = 168,851.36 : x
  2. Step 2: Convert to fraction form
    405,331.04/607,668.60 = 168,851.36/x
  3. Step 3: Cross multiply
    405,331.04x = 607,668.60 × 168,851.36
  4. Step 4: Simplify right side
    405,331.04x = 102,605,669,539.30
  5. Step 5: Solve for x
    x = 102,605,669,539.30/405,331.04
  6. Step 6: Final answer
    x = 253,140.42

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