Home / 419,958.37-579,545.31-228,974.95

Finding the Fourth Proportional to 419,958.37, 579,545.31 and 228,974.95

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Solution

The fourth proportional to 419,958.37, 579,545.31 and 228,974.95 is: 315,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,958.37 : 579,545.31 = 228,974.95 : x
  2. Step 2: Convert to fraction form
    419,958.37/579,545.31 = 228,974.95/x
  3. Step 3: Cross multiply
    419,958.37x = 579,545.31 × 228,974.95
  4. Step 4: Simplify right side
    419,958.37x = 132,701,358,379.99
  5. Step 5: Solve for x
    x = 132,701,358,379.99/419,958.37
  6. Step 6: Final answer
    x = 315,986.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.