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Finding the Fourth Proportional to 326,045.70, 489,311.55 and 168,192.90

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Solution

The fourth proportional to 326,045.70, 489,311.55 and 168,192.90 is: 252,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,045.70 : 489,311.55 = 168,192.90 : x
  2. Step 2: Convert to fraction form
    326,045.70/489,311.55 = 168,192.90/x
  3. Step 3: Cross multiply
    326,045.70x = 489,311.55 × 168,192.90
  4. Step 4: Simplify right side
    326,045.70x = 82,298,728,598.00
  5. Step 5: Solve for x
    x = 82,298,728,598.00/326,045.70
  6. Step 6: Final answer
    x = 252,414.70

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