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Finding the Fourth Proportional to 405,230.88, 559,190.28 and 223,939.56

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Solution

The fourth proportional to 405,230.88, 559,190.28 and 223,939.56 is: 309,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,230.88 : 559,190.28 = 223,939.56 : x
  2. Step 2: Convert to fraction form
    405,230.88/559,190.28 = 223,939.56/x
  3. Step 3: Cross multiply
    405,230.88x = 559,190.28 × 223,939.56
  4. Step 4: Simplify right side
    405,230.88x = 125,224,825,259.48
  5. Step 5: Solve for x
    x = 125,224,825,259.48/405,230.88
  6. Step 6: Final answer
    x = 309,020.93

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