Home / 251,260.49-346,768.96-149,286.78

Finding the Fourth Proportional to 251,260.49, 346,768.96 and 149,286.78

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Solution

The fourth proportional to 251,260.49, 346,768.96 and 149,286.78 is: 206,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,260.49 : 346,768.96 = 149,286.78 : x
  2. Step 2: Convert to fraction form
    251,260.49/346,768.96 = 149,286.78/x
  3. Step 3: Cross multiply
    251,260.49x = 346,768.96 × 149,286.78
  4. Step 4: Simplify right side
    251,260.49x = 51,768,021,442.35
  5. Step 5: Solve for x
    x = 51,768,021,442.35/251,260.49
  6. Step 6: Final answer
    x = 206,033.27

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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.