Home / 396,430.20-594,645.30-228,468.60

Finding the Fourth Proportional to 396,430.20, 594,645.30 and 228,468.60

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Solution

The fourth proportional to 396,430.20, 594,645.30 and 228,468.60 is: 342,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,430.20 : 594,645.30 = 228,468.60 : x
  2. Step 2: Convert to fraction form
    396,430.20/594,645.30 = 228,468.60/x
  3. Step 3: Cross multiply
    396,430.20x = 594,645.30 × 228,468.60
  4. Step 4: Simplify right side
    396,430.20x = 135,857,779,187.58
  5. Step 5: Solve for x
    x = 135,857,779,187.58/396,430.20
  6. Step 6: Final answer
    x = 342,702.90

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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.