Home / 394,249.23-544,064.13-212,961.15

Finding the Fourth Proportional to 394,249.23, 544,064.13 and 212,961.15

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Solution

The fourth proportional to 394,249.23, 544,064.13 and 212,961.15 is: 293,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,249.23 : 544,064.13 = 212,961.15 : x
  2. Step 2: Convert to fraction form
    394,249.23/544,064.13 = 212,961.15/x
  3. Step 3: Cross multiply
    394,249.23x = 544,064.13 × 212,961.15
  4. Step 4: Simplify right side
    394,249.23x = 115,864,522,798.55
  5. Step 5: Solve for x
    x = 115,864,522,798.55/394,249.23
  6. Step 6: Final answer
    x = 293,886.49

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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.