Home / 326,149.44-449,669.60-211,225.02

Finding the Fourth Proportional to 326,149.44, 449,669.60 and 211,225.02

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Solution

The fourth proportional to 326,149.44, 449,669.60 and 211,225.02 is: 291,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,149.44 : 449,669.60 = 211,225.02 : x
  2. Step 2: Convert to fraction form
    326,149.44/449,669.60 = 211,225.02/x
  3. Step 3: Cross multiply
    326,149.44x = 449,669.60 × 211,225.02
  4. Step 4: Simplify right side
    326,149.44x = 94,981,470,253.39
  5. Step 5: Solve for x
    x = 94,981,470,253.39/326,149.44
  6. Step 6: Final answer
    x = 291,220.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.