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Finding the Fourth Proportional to 446,644.80, 669,772.80 and 147,009.60

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Solution

The fourth proportional to 446,644.80, 669,772.80 and 147,009.60 is: 220,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,644.80 : 669,772.80 = 147,009.60 : x
  2. Step 2: Convert to fraction form
    446,644.80/669,772.80 = 147,009.60/x
  3. Step 3: Cross multiply
    446,644.80x = 669,772.80 × 147,009.60
  4. Step 4: Simplify right side
    446,644.80x = 98,463,031,418.88
  5. Step 5: Solve for x
    x = 98,463,031,418.88/446,644.80
  6. Step 6: Final answer
    x = 220,450.41

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