Home / 254,018.97-381,029.06-64,479.38

Finding the Fourth Proportional to 254,018.97, 381,029.06 and 64,479.38

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Solution

The fourth proportional to 254,018.97, 381,029.06 and 64,479.38 is: 96,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,018.97 : 381,029.06 = 64,479.38 : x
  2. Step 2: Convert to fraction form
    254,018.97/381,029.06 = 64,479.38/x
  3. Step 3: Cross multiply
    254,018.97x = 381,029.06 × 64,479.38
  4. Step 4: Simplify right side
    254,018.97x = 24,568,515,806.84
  5. Step 5: Solve for x
    x = 24,568,515,806.84/254,018.97
  6. Step 6: Final answer
    x = 96,719.22

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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.