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Finding the Fourth Proportional to 197,597.34, 296,451.51 and 79,351.71

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Solution

The fourth proportional to 197,597.34, 296,451.51 and 79,351.71 is: 119,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,597.34 : 296,451.51 = 79,351.71 : x
  2. Step 2: Convert to fraction form
    197,597.34/296,451.51 = 79,351.71/x
  3. Step 3: Cross multiply
    197,597.34x = 296,451.51 × 79,351.71
  4. Step 4: Simplify right side
    197,597.34x = 23,523,934,250.58
  5. Step 5: Solve for x
    x = 23,523,934,250.58/197,597.34
  6. Step 6: Final answer
    x = 119,049.85

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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.