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Finding the Fourth Proportional to 279,229.82, 418,476.79 and 110,658.25

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Solution

The fourth proportional to 279,229.82, 418,476.79 and 110,658.25 is: 165,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,229.82 : 418,476.79 = 110,658.25 : x
  2. Step 2: Convert to fraction form
    279,229.82/418,476.79 = 110,658.25/x
  3. Step 3: Cross multiply
    279,229.82x = 418,476.79 × 110,658.25
  4. Step 4: Simplify right side
    279,229.82x = 46,307,910,064.05
  5. Step 5: Solve for x
    x = 46,307,910,064.05/279,229.82
  6. Step 6: Final answer
    x = 165,841.56

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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.