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Finding the Fourth Proportional to 482,408.76, 665,764.92 and 267,618

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Solution

The fourth proportional to 482,408.76, 665,764.92 and 267,618 is: 369,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,408.76 : 665,764.92 = 267,618 : x
  2. Step 2: Convert to fraction form
    482,408.76/665,764.92 = 267,618/x
  3. Step 3: Cross multiply
    482,408.76x = 665,764.92 × 267,618
  4. Step 4: Simplify right side
    482,408.76x = 178,170,676,360.56
  5. Step 5: Solve for x
    x = 178,170,676,360.56/482,408.76
  6. Step 6: Final answer
    x = 369,335.49

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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.