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Finding the Fourth Proportional to 303,266, 454,899 and 106,274

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Solution

The fourth proportional to 303,266, 454,899 and 106,274 is: 159,411

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,266 : 454,899 = 106,274 : x
  2. Step 2: Convert to fraction form
    303,266/454,899 = 106,274/x
  3. Step 3: Cross multiply
    303,266x = 454,899 × 106,274
  4. Step 4: Simplify right side
    303,266x = 48,343,936,326
  5. Step 5: Solve for x
    x = 48,343,936,326/303,266
  6. Step 6: Final answer
    x = 159,411

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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.