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Finding the Fourth Proportional to 340,578, 470,012.22 and 189,675

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Solution

The fourth proportional to 340,578, 470,012.22 and 189,675 is: 261,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,578 : 470,012.22 = 189,675 : x
  2. Step 2: Convert to fraction form
    340,578/470,012.22 = 189,675/x
  3. Step 3: Cross multiply
    340,578x = 470,012.22 × 189,675
  4. Step 4: Simplify right side
    340,578x = 89,149,567,828.50
  5. Step 5: Solve for x
    x = 89,149,567,828.50/340,578
  6. Step 6: Final answer
    x = 261,759.62

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