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Finding the Fourth Proportional to 326,210.55, 489,198.43 and 112,920.51

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Solution

The fourth proportional to 326,210.55, 489,198.43 and 112,920.51 is: 169,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,210.55 : 489,198.43 = 112,920.51 : x
  2. Step 2: Convert to fraction form
    326,210.55/489,198.43 = 112,920.51/x
  3. Step 3: Cross multiply
    326,210.55x = 489,198.43 × 112,920.51
  4. Step 4: Simplify right side
    326,210.55x = 55,240,536,206.80
  5. Step 5: Solve for x
    x = 55,240,536,206.80/326,210.55
  6. Step 6: Final answer
    x = 169,340.13

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