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Finding the Fourth Proportional to 197,884, 296,826 and 87,076

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Solution

The fourth proportional to 197,884, 296,826 and 87,076 is: 130,614

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,884 : 296,826 = 87,076 : x
  2. Step 2: Convert to fraction form
    197,884/296,826 = 87,076/x
  3. Step 3: Cross multiply
    197,884x = 296,826 × 87,076
  4. Step 4: Simplify right side
    197,884x = 25,846,420,776
  5. Step 5: Solve for x
    x = 25,846,420,776/197,884
  6. Step 6: Final answer
    x = 130,614

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.