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Finding the Fourth Proportional to 421,928.70, 582,267.08 and 230,937.99

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Solution

The fourth proportional to 421,928.70, 582,267.08 and 230,937.99 is: 318,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,928.70 : 582,267.08 = 230,937.99 : x
  2. Step 2: Convert to fraction form
    421,928.70/582,267.08 = 230,937.99/x
  3. Step 3: Cross multiply
    421,928.70x = 582,267.08 × 230,937.99
  4. Step 4: Simplify right side
    421,928.70x = 134,467,589,098.37
  5. Step 5: Solve for x
    x = 134,467,589,098.37/421,928.70
  6. Step 6: Final answer
    x = 318,697.42

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