Home / 375,213.45-517,789.42-205,447.58

Finding the Fourth Proportional to 375,213.45, 517,789.42 and 205,447.58

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Solution

The fourth proportional to 375,213.45, 517,789.42 and 205,447.58 is: 283,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,213.45 : 517,789.42 = 205,447.58 : x
  2. Step 2: Convert to fraction form
    375,213.45/517,789.42 = 205,447.58/x
  3. Step 3: Cross multiply
    375,213.45x = 517,789.42 × 205,447.58
  4. Step 4: Simplify right side
    375,213.45x = 106,378,583,288.60
  5. Step 5: Solve for x
    x = 106,378,583,288.60/375,213.45
  6. Step 6: Final answer
    x = 283,514.85

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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.