Home / 349,123.78-481,845.54-205,899.58

Finding the Fourth Proportional to 349,123.78, 481,845.54 and 205,899.58

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Solution

The fourth proportional to 349,123.78, 481,845.54 and 205,899.58 is: 284,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,123.78 : 481,845.54 = 205,899.58 : x
  2. Step 2: Convert to fraction form
    349,123.78/481,845.54 = 205,899.58/x
  3. Step 3: Cross multiply
    349,123.78x = 481,845.54 × 205,899.58
  4. Step 4: Simplify right side
    349,123.78x = 99,211,794,310.87
  5. Step 5: Solve for x
    x = 99,211,794,310.87/349,123.78
  6. Step 6: Final answer
    x = 284,173.69

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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.