Home / 419,634.24-579,087.96-228,649.20

Finding the Fourth Proportional to 419,634.24, 579,087.96 and 228,649.20

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Solution

The fourth proportional to 419,634.24, 579,087.96 and 228,649.20 is: 315,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,634.24 : 579,087.96 = 228,649.20 : x
  2. Step 2: Convert to fraction form
    419,634.24/579,087.96 = 228,649.20/x
  3. Step 3: Cross multiply
    419,634.24x = 579,087.96 × 228,649.20
  4. Step 4: Simplify right side
    419,634.24x = 132,407,998,783.63
  5. Step 5: Solve for x
    x = 132,407,998,783.63/419,634.24
  6. Step 6: Final answer
    x = 315,531.92

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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.