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Finding the Fourth Proportional to 320,687.04, 480,952.80 and 133,596.48

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Solution

The fourth proportional to 320,687.04, 480,952.80 and 133,596.48 is: 200,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,687.04 : 480,952.80 = 133,596.48 : x
  2. Step 2: Convert to fraction form
    320,687.04/480,952.80 = 133,596.48/x
  3. Step 3: Cross multiply
    320,687.04x = 480,952.80 × 133,596.48
  4. Step 4: Simplify right side
    320,687.04x = 64,253,601,126.14
  5. Step 5: Solve for x
    x = 64,253,601,126.14/320,687.04
  6. Step 6: Final answer
    x = 200,362.33

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