Home / 331,899.29-458,093.55-211,016.97

Finding the Fourth Proportional to 331,899.29, 458,093.55 and 211,016.97

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Solution

The fourth proportional to 331,899.29, 458,093.55 and 211,016.97 is: 291,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,899.29 : 458,093.55 = 211,016.97 : x
  2. Step 2: Convert to fraction form
    331,899.29/458,093.55 = 211,016.97/x
  3. Step 3: Cross multiply
    331,899.29x = 458,093.55 × 211,016.97
  4. Step 4: Simplify right side
    331,899.29x = 96,665,510,817.22
  5. Step 5: Solve for x
    x = 96,665,510,817.22/331,899.29
  6. Step 6: Final answer
    x = 291,249.53

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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.