Home / 396,108.58-594,013.65-143,326.56

Finding the Fourth Proportional to 396,108.58, 594,013.65 and 143,326.56

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Solution

The fourth proportional to 396,108.58, 594,013.65 and 143,326.56 is: 214,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,108.58 : 594,013.65 = 143,326.56 : x
  2. Step 2: Convert to fraction form
    396,108.58/594,013.65 = 143,326.56/x
  3. Step 3: Cross multiply
    396,108.58x = 594,013.65 × 143,326.56
  4. Step 4: Simplify right side
    396,108.58x = 85,137,935,543.83
  5. Step 5: Solve for x
    x = 85,137,935,543.83/396,108.58
  6. Step 6: Final answer
    x = 214,935.85

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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.