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Finding the Fourth Proportional to 202,337.90, 303,851.30 and 193,874.21

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Solution

The fourth proportional to 202,337.90, 303,851.30 and 193,874.21 is: 291,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.90 : 303,851.30 = 193,874.21 : x
  2. Step 2: Convert to fraction form
    202,337.90/303,851.30 = 193,874.21/x
  3. Step 3: Cross multiply
    202,337.90x = 303,851.30 × 193,874.21
  4. Step 4: Simplify right side
    202,337.90x = 58,908,930,486.33
  5. Step 5: Solve for x
    x = 58,908,930,486.33/202,337.90
  6. Step 6: Final answer
    x = 291,141.36

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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.