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Finding the Fourth Proportional to 197,634.78, 296,452.80 and 47,874.78

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Solution

The fourth proportional to 197,634.78, 296,452.80 and 47,874.78 is: 71,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,634.78 : 296,452.80 = 47,874.78 : x
  2. Step 2: Convert to fraction form
    197,634.78/296,452.80 = 47,874.78/x
  3. Step 3: Cross multiply
    197,634.78x = 296,452.80 × 47,874.78
  4. Step 4: Simplify right side
    197,634.78x = 14,192,612,580.38
  5. Step 5: Solve for x
    x = 14,192,612,580.38/197,634.78
  6. Step 6: Final answer
    x = 71,812.32

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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.