Home / 396,448.39-594,539.31-143,675.96

Finding the Fourth Proportional to 396,448.39, 594,539.31 and 143,675.96

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Solution

The fourth proportional to 396,448.39, 594,539.31 and 143,675.96 is: 215,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,448.39 : 594,539.31 = 143,675.96 : x
  2. Step 2: Convert to fraction form
    396,448.39/594,539.31 = 143,675.96/x
  3. Step 3: Cross multiply
    396,448.39x = 594,539.31 × 143,675.96
  4. Step 4: Simplify right side
    396,448.39x = 85,421,003,283.99
  5. Step 5: Solve for x
    x = 85,421,003,283.99/396,448.39
  6. Step 6: Final answer
    x = 215,465.63

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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.