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Finding the Fourth Proportional to 494,013.36, 681,738.51 and 267,658.86

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Solution

The fourth proportional to 494,013.36, 681,738.51 and 267,658.86 is: 369,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,013.36 : 681,738.51 = 267,658.86 : x
  2. Step 2: Convert to fraction form
    494,013.36/681,738.51 = 267,658.86/x
  3. Step 3: Cross multiply
    494,013.36x = 681,738.51 × 267,658.86
  4. Step 4: Simplify right side
    494,013.36x = 182,473,352,404.70
  5. Step 5: Solve for x
    x = 182,473,352,404.70/494,013.36
  6. Step 6: Final answer
    x = 369,369.27

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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.