Home / 394,289.88-544,131.24-219,864.10

Finding the Fourth Proportional to 394,289.88, 544,131.24 and 219,864.10

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Solution

The fourth proportional to 394,289.88, 544,131.24 and 219,864.10 is: 303,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,289.88 : 544,131.24 = 219,864.10 : x
  2. Step 2: Convert to fraction form
    394,289.88/544,131.24 = 219,864.10/x
  3. Step 3: Cross multiply
    394,289.88x = 544,131.24 × 219,864.10
  4. Step 4: Simplify right side
    394,289.88x = 119,634,925,364.48
  5. Step 5: Solve for x
    x = 119,634,925,364.48/394,289.88
  6. Step 6: Final answer
    x = 303,418.71

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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.