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Finding the Fourth Proportional to 151,634, 227,451 and 53,138

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Solution

The fourth proportional to 151,634, 227,451 and 53,138 is: 79,707

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,634 : 227,451 = 53,138 : x
  2. Step 2: Convert to fraction form
    151,634/227,451 = 53,138/x
  3. Step 3: Cross multiply
    151,634x = 227,451 × 53,138
  4. Step 4: Simplify right side
    151,634x = 12,086,291,238
  5. Step 5: Solve for x
    x = 12,086,291,238/151,634
  6. Step 6: Final answer
    x = 79,707

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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.