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Finding the Fourth Proportional to 316,466.43, 436,724.16 and 173,235.54

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Solution

The fourth proportional to 316,466.43, 436,724.16 and 173,235.54 is: 239,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,466.43 : 436,724.16 = 173,235.54 : x
  2. Step 2: Convert to fraction form
    316,466.43/436,724.16 = 173,235.54/x
  3. Step 3: Cross multiply
    316,466.43x = 436,724.16 × 173,235.54
  4. Step 4: Simplify right side
    316,466.43x = 75,656,145,688.65
  5. Step 5: Solve for x
    x = 75,656,145,688.65/316,466.43
  6. Step 6: Final answer
    x = 239,065.31

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