Home / 389,092.82-537,067.97-228,000.22

Finding the Fourth Proportional to 389,092.82, 537,067.97 and 228,000.22

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Solution

The fourth proportional to 389,092.82, 537,067.97 and 228,000.22 is: 314,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,092.82 : 537,067.97 = 228,000.22 : x
  2. Step 2: Convert to fraction form
    389,092.82/537,067.97 = 228,000.22/x
  3. Step 3: Cross multiply
    389,092.82x = 537,067.97 × 228,000.22
  4. Step 4: Simplify right side
    389,092.82x = 122,451,613,687.28
  5. Step 5: Solve for x
    x = 122,451,613,687.28/389,092.82
  6. Step 6: Final answer
    x = 314,710.55

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1.5x scale

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.