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Finding the Fourth Proportional to 274,127.88, 378,181.84 and 213,593.41

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Solution

The fourth proportional to 274,127.88, 378,181.84 and 213,593.41 is: 294,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,127.88 : 378,181.84 = 213,593.41 : x
  2. Step 2: Convert to fraction form
    274,127.88/378,181.84 = 213,593.41/x
  3. Step 3: Cross multiply
    274,127.88x = 378,181.84 × 213,593.41
  4. Step 4: Simplify right side
    274,127.88x = 80,777,148,805.67
  5. Step 5: Solve for x
    x = 80,777,148,805.67/274,127.88
  6. Step 6: Final answer
    x = 294,669.59

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1.5x scale

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.