Home / 645,800.21-968,175.44-225,371.33

Finding the Fourth Proportional to 645,800.21, 968,175.44 and 225,371.33

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Solution

The fourth proportional to 645,800.21, 968,175.44 and 225,371.33 is: 337,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,800.21 : 968,175.44 = 225,371.33 : x
  2. Step 2: Convert to fraction form
    645,800.21/968,175.44 = 225,371.33/x
  3. Step 3: Cross multiply
    645,800.21x = 968,175.44 × 225,371.33
  4. Step 4: Simplify right side
    645,800.21x = 218,198,987,879.72
  5. Step 5: Solve for x
    x = 218,198,987,879.72/645,800.21
  6. Step 6: Final answer
    x = 337,873.82

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1.5x scale

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.