Home / 419,286.10-578,625.22-228,309.96

Finding the Fourth Proportional to 419,286.10, 578,625.22 and 228,309.96

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Solution

The fourth proportional to 419,286.10, 578,625.22 and 228,309.96 is: 315,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,286.10 : 578,625.22 = 228,309.96 : x
  2. Step 2: Convert to fraction form
    419,286.10/578,625.22 = 228,309.96/x
  3. Step 3: Cross multiply
    419,286.10x = 578,625.22 × 228,309.96
  4. Step 4: Simplify right side
    419,286.10x = 132,105,900,833.19
  5. Step 5: Solve for x
    x = 132,105,900,833.19/419,286.10
  6. Step 6: Final answer
    x = 315,073.41

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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.