Home / 396,285.94-594,474.02-143,685.39

Finding the Fourth Proportional to 396,285.94, 594,474.02 and 143,685.39

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Solution

The fourth proportional to 396,285.94, 594,474.02 and 143,685.39 is: 215,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,285.94 : 594,474.02 = 143,685.39 : x
  2. Step 2: Convert to fraction form
    396,285.94/594,474.02 = 143,685.39/x
  3. Step 3: Cross multiply
    396,285.94x = 594,474.02 × 143,685.39
  4. Step 4: Simplify right side
    396,285.94x = 85,417,231,408.57
  5. Step 5: Solve for x
    x = 85,417,231,408.57/396,285.94
  6. Step 6: Final answer
    x = 215,544.44

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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.