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Finding the Fourth Proportional to 316,518.10, 436,794.99 and 173,278.15

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Solution

The fourth proportional to 316,518.10, 436,794.99 and 173,278.15 is: 239,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,518.10 : 436,794.99 = 173,278.15 : x
  2. Step 2: Convert to fraction form
    316,518.10/436,794.99 = 173,278.15/x
  3. Step 3: Cross multiply
    316,518.10x = 436,794.99 × 173,278.15
  4. Step 4: Simplify right side
    316,518.10x = 75,687,025,408.72
  5. Step 5: Solve for x
    x = 75,687,025,408.72/316,518.10
  6. Step 6: Final answer
    x = 239,123.84

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