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Finding the Fourth Proportional to 326,061.40, 489,092.10 and 148,914.40

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Solution

The fourth proportional to 326,061.40, 489,092.10 and 148,914.40 is: 223,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,061.40 : 489,092.10 = 148,914.40 : x
  2. Step 2: Convert to fraction form
    326,061.40/489,092.10 = 148,914.40/x
  3. Step 3: Cross multiply
    326,061.40x = 489,092.10 × 148,914.40
  4. Step 4: Simplify right side
    326,061.40x = 72,832,856,616.24
  5. Step 5: Solve for x
    x = 72,832,856,616.24/326,061.40
  6. Step 6: Final answer
    x = 223,371.60

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