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Finding the Fourth Proportional to 326,305.41, 489,438.38 and 194,027.45

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Solution

The fourth proportional to 326,305.41, 489,438.38 and 194,027.45 is: 291,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,305.41 : 489,438.38 = 194,027.45 : x
  2. Step 2: Convert to fraction form
    326,305.41/489,438.38 = 194,027.45/x
  3. Step 3: Cross multiply
    326,305.41x = 489,438.38 × 194,027.45
  4. Step 4: Simplify right side
    326,305.41x = 94,964,477,386.20
  5. Step 5: Solve for x
    x = 94,964,477,386.20/326,305.41
  6. Step 6: Final answer
    x = 291,029.43

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