Home / 396,788.61-595,030.59-168,939.76

Finding the Fourth Proportional to 396,788.61, 595,030.59 and 168,939.76

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Solution

The fourth proportional to 396,788.61, 595,030.59 and 168,939.76 is: 253,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,788.61 : 595,030.59 = 168,939.76 : x
  2. Step 2: Convert to fraction form
    396,788.61/595,030.59 = 168,939.76/x
  3. Step 3: Cross multiply
    396,788.61x = 595,030.59 × 168,939.76
  4. Step 4: Simplify right side
    396,788.61x = 100,524,325,067.26
  5. Step 5: Solve for x
    x = 100,524,325,067.26/396,788.61
  6. Step 6: Final answer
    x = 253,344.78

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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.