Home / 283,930.20-425,603.70-165,540.60

Finding the Fourth Proportional to 283,930.20, 425,603.70 and 165,540.60

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Solution

The fourth proportional to 283,930.20, 425,603.70 and 165,540.60 is: 248,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,930.20 : 425,603.70 = 165,540.60 : x
  2. Step 2: Convert to fraction form
    283,930.20/425,603.70 = 165,540.60/x
  3. Step 3: Cross multiply
    283,930.20x = 425,603.70 × 165,540.60
  4. Step 4: Simplify right side
    283,930.20x = 70,454,691,860.22
  5. Step 5: Solve for x
    x = 70,454,691,860.22/283,930.20
  6. Step 6: Final answer
    x = 248,140.89

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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.