Home / 384,072.96-576,199.05-131,355.39

Finding the Fourth Proportional to 384,072.96, 576,199.05 and 131,355.39

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Solution

The fourth proportional to 384,072.96, 576,199.05 and 131,355.39 is: 197,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,072.96 : 576,199.05 = 131,355.39 : x
  2. Step 2: Convert to fraction form
    384,072.96/576,199.05 = 131,355.39/x
  3. Step 3: Cross multiply
    384,072.96x = 576,199.05 × 131,355.39
  4. Step 4: Simplify right side
    384,072.96x = 75,686,850,930.38
  5. Step 5: Solve for x
    x = 75,686,850,930.38/384,072.96
  6. Step 6: Final answer
    x = 197,063.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.