Home / 327,023.20-489,368.40-226,712.80

Finding the Fourth Proportional to 327,023.20, 489,368.40 and 226,712.80

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Solution

The fourth proportional to 327,023.20, 489,368.40 and 226,712.80 is: 339,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,023.20 : 489,368.40 = 226,712.80 : x
  2. Step 2: Convert to fraction form
    327,023.20/489,368.40 = 226,712.80/x
  3. Step 3: Cross multiply
    327,023.20x = 489,368.40 × 226,712.80
  4. Step 4: Simplify right side
    327,023.20x = 110,946,080,195.52
  5. Step 5: Solve for x
    x = 110,946,080,195.52/327,023.20
  6. Step 6: Final answer
    x = 339,260.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.