Home / 325,091.21-448,716.02-189,151.41

Finding the Fourth Proportional to 325,091.21, 448,716.02 and 189,151.41

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Solution

The fourth proportional to 325,091.21, 448,716.02 and 189,151.41 is: 261,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,091.21 : 448,716.02 = 189,151.41 : x
  2. Step 2: Convert to fraction form
    325,091.21/448,716.02 = 189,151.41/x
  3. Step 3: Cross multiply
    325,091.21x = 448,716.02 × 189,151.41
  4. Step 4: Simplify right side
    325,091.21x = 84,875,267,149.47
  5. Step 5: Solve for x
    x = 84,875,267,149.47/325,091.21
  6. Step 6: Final answer
    x = 261,081.40

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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.