Home / 394,898.24-591,118.86-214,532.66

Finding the Fourth Proportional to 394,898.24, 591,118.86 and 214,532.66

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Solution

The fourth proportional to 394,898.24, 591,118.86 and 214,532.66 is: 321,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,898.24 : 591,118.86 = 214,532.66 : x
  2. Step 2: Convert to fraction form
    394,898.24/591,118.86 = 214,532.66/x
  3. Step 3: Cross multiply
    394,898.24x = 591,118.86 × 214,532.66
  4. Step 4: Simplify right side
    394,898.24x = 126,814,301,411.97
  5. Step 5: Solve for x
    x = 126,814,301,411.97/394,898.24
  6. Step 6: Final answer
    x = 321,131.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.