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Finding the Fourth Proportional to 295,860, 443,790 and 98,868

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Solution

The fourth proportional to 295,860, 443,790 and 98,868 is: 148,302

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,860 : 443,790 = 98,868 : x
  2. Step 2: Convert to fraction form
    295,860/443,790 = 98,868/x
  3. Step 3: Cross multiply
    295,860x = 443,790 × 98,868
  4. Step 4: Simplify right side
    295,860x = 43,876,629,720
  5. Step 5: Solve for x
    x = 43,876,629,720/295,860
  6. Step 6: Final answer
    x = 148,302

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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.