Home / 285,799.92-394,324.68-164,932.72

Finding the Fourth Proportional to 285,799.92, 394,324.68 and 164,932.72

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Solution

The fourth proportional to 285,799.92, 394,324.68 and 164,932.72 is: 227,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,799.92 : 394,324.68 = 164,932.72 : x
  2. Step 2: Convert to fraction form
    285,799.92/394,324.68 = 164,932.72/x
  3. Step 3: Cross multiply
    285,799.92x = 394,324.68 × 164,932.72
  4. Step 4: Simplify right side
    285,799.92x = 65,037,042,035.53
  5. Step 5: Solve for x
    x = 65,037,042,035.53/285,799.92
  6. Step 6: Final answer
    x = 227,561.44

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1.5x scale

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.