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Finding the Fourth Proportional to 366,958.95, 550,438.43 and 209,494.95

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Solution

The fourth proportional to 366,958.95, 550,438.43 and 209,494.95 is: 314,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,958.95 : 550,438.43 = 209,494.95 : x
  2. Step 2: Convert to fraction form
    366,958.95/550,438.43 = 209,494.95/x
  3. Step 3: Cross multiply
    366,958.95x = 550,438.43 × 209,494.95
  4. Step 4: Simplify right side
    366,958.95x = 115,314,071,370.93
  5. Step 5: Solve for x
    x = 115,314,071,370.93/366,958.95
  6. Step 6: Final answer
    x = 314,242.43

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