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Finding the Fourth Proportional to 387,676.46, 534,915.11 and 226,500.39

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Solution

The fourth proportional to 387,676.46, 534,915.11 and 226,500.39 is: 312,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,676.46 : 534,915.11 = 226,500.39 : x
  2. Step 2: Convert to fraction form
    387,676.46/534,915.11 = 226,500.39/x
  3. Step 3: Cross multiply
    387,676.46x = 534,915.11 × 226,500.39
  4. Step 4: Simplify right side
    387,676.46x = 121,158,481,598.14
  5. Step 5: Solve for x
    x = 121,158,481,598.14/387,676.46
  6. Step 6: Final answer
    x = 312,524.73

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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.