Home / 396,205.20-594,307.80-143,606.70

Finding the Fourth Proportional to 396,205.20, 594,307.80 and 143,606.70

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Solution

The fourth proportional to 396,205.20, 594,307.80 and 143,606.70 is: 215,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,205.20 : 594,307.80 = 143,606.70 : x
  2. Step 2: Convert to fraction form
    396,205.20/594,307.80 = 143,606.70/x
  3. Step 3: Cross multiply
    396,205.20x = 594,307.80 × 143,606.70
  4. Step 4: Simplify right side
    396,205.20x = 85,346,581,942.26
  5. Step 5: Solve for x
    x = 85,346,581,942.26/396,205.20
  6. Step 6: Final answer
    x = 215,410.05

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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.