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Finding the Fourth Proportional to 326,523.60, 489,180.60 and 185,864.40

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Solution

The fourth proportional to 326,523.60, 489,180.60 and 185,864.40 is: 278,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,523.60 : 489,180.60 = 185,864.40 : x
  2. Step 2: Convert to fraction form
    326,523.60/489,180.60 = 185,864.40/x
  3. Step 3: Cross multiply
    326,523.60x = 489,180.60 × 185,864.40
  4. Step 4: Simplify right side
    326,523.60x = 90,921,258,710.64
  5. Step 5: Solve for x
    x = 90,921,258,710.64/326,523.60
  6. Step 6: Final answer
    x = 278,452.33

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