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Finding the Fourth Proportional to 460,819, 635,930.22 and 248,851

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Solution

The fourth proportional to 460,819, 635,930.22 and 248,851 is: 343,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,819 : 635,930.22 = 248,851 : x
  2. Step 2: Convert to fraction form
    460,819/635,930.22 = 248,851/x
  3. Step 3: Cross multiply
    460,819x = 635,930.22 × 248,851
  4. Step 4: Simplify right side
    460,819x = 158,251,871,177.22
  5. Step 5: Solve for x
    x = 158,251,871,177.22/460,819
  6. Step 6: Final answer
    x = 343,414.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.