Home / 394,249.73-544,064.82-212,961.65

Finding the Fourth Proportional to 394,249.73, 544,064.82 and 212,961.65

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Solution

The fourth proportional to 394,249.73, 544,064.82 and 212,961.65 is: 293,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,249.73 : 544,064.82 = 212,961.65 : x
  2. Step 2: Convert to fraction form
    394,249.73/544,064.82 = 212,961.65/x
  3. Step 3: Cross multiply
    394,249.73x = 544,064.82 × 212,961.65
  4. Step 4: Simplify right side
    394,249.73x = 115,864,939,053.83
  5. Step 5: Solve for x
    x = 115,864,939,053.83/394,249.73
  6. Step 6: Final answer
    x = 293,887.18

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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.