Home / 419,297.30-578,627.82-228,310.23

Finding the Fourth Proportional to 419,297.30, 578,627.82 and 228,310.23

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Solution

The fourth proportional to 419,297.30, 578,627.82 and 228,310.23 is: 315,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,297.30 : 578,627.82 = 228,310.23 : x
  2. Step 2: Convert to fraction form
    419,297.30/578,627.82 = 228,310.23/x
  3. Step 3: Cross multiply
    419,297.30x = 578,627.82 × 228,310.23
  4. Step 4: Simplify right side
    419,297.30x = 132,106,650,668.60
  5. Step 5: Solve for x
    x = 132,106,650,668.60/419,297.30
  6. Step 6: Final answer
    x = 315,066.78

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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.