Home / 419,225.94-578,542.20-228,249.84

Finding the Fourth Proportional to 419,225.94, 578,542.20 and 228,249.84

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Solution

The fourth proportional to 419,225.94, 578,542.20 and 228,249.84 is: 314,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,225.94 : 578,542.20 = 228,249.84 : x
  2. Step 2: Convert to fraction form
    419,225.94/578,542.20 = 228,249.84/x
  3. Step 3: Cross multiply
    419,225.94x = 578,542.20 × 228,249.84
  4. Step 4: Simplify right side
    419,225.94x = 132,052,164,583.25
  5. Step 5: Solve for x
    x = 132,052,164,583.25/419,225.94
  6. Step 6: Final answer
    x = 314,990.44

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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.