Home / 248,721.68-342,448.94-225,992.64

Finding the Fourth Proportional to 248,721.68, 342,448.94 and 225,992.64

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Solution

The fourth proportional to 248,721.68, 342,448.94 and 225,992.64 is: 311,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.68 : 342,448.94 = 225,992.64 : x
  2. Step 2: Convert to fraction form
    248,721.68/342,448.94 = 225,992.64/x
  3. Step 3: Cross multiply
    248,721.68x = 342,448.94 × 225,992.64
  4. Step 4: Simplify right side
    248,721.68x = 77,390,940,015.80
  5. Step 5: Solve for x
    x = 77,390,940,015.80/248,721.68
  6. Step 6: Final answer
    x = 311,154.78

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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.