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Finding the Fourth Proportional to 326,634.35, 490,021.52 and 113,409

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Solution

The fourth proportional to 326,634.35, 490,021.52 and 113,409 is: 170,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,634.35 : 490,021.52 = 113,409 : x
  2. Step 2: Convert to fraction form
    326,634.35/490,021.52 = 113,409/x
  3. Step 3: Cross multiply
    326,634.35x = 490,021.52 × 113,409
  4. Step 4: Simplify right side
    326,634.35x = 55,572,849,994.64
  5. Step 5: Solve for x
    x = 55,572,849,994.64/326,634.35
  6. Step 6: Final answer
    x = 170,137.80

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