Home / 356,006.34-491,300.64-203,067

Finding the Fourth Proportional to 356,006.34, 491,300.64 and 203,067

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Solution

The fourth proportional to 356,006.34, 491,300.64 and 203,067 is: 280,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,006.34 : 491,300.64 = 203,067 : x
  2. Step 2: Convert to fraction form
    356,006.34/491,300.64 = 203,067/x
  3. Step 3: Cross multiply
    356,006.34x = 491,300.64 × 203,067
  4. Step 4: Simplify right side
    356,006.34x = 99,766,947,062.88
  5. Step 5: Solve for x
    x = 99,766,947,062.88/356,006.34
  6. Step 6: Final answer
    x = 280,239.24

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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.