Home / 327,032.20-489,381.90-226,721.80

Finding the Fourth Proportional to 327,032.20, 489,381.90 and 226,721.80

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Solution

The fourth proportional to 327,032.20, 489,381.90 and 226,721.80 is: 339,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,032.20 : 489,381.90 = 226,721.80 : x
  2. Step 2: Convert to fraction form
    327,032.20/489,381.90 = 226,721.80/x
  3. Step 3: Cross multiply
    327,032.20x = 489,381.90 × 226,721.80
  4. Step 4: Simplify right side
    327,032.20x = 110,953,545,255.42
  5. Step 5: Solve for x
    x = 110,953,545,255.42/327,032.20
  6. Step 6: Final answer
    x = 339,274.07

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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.