Home / 394,811.42-544,838.18-213,523.56

Finding the Fourth Proportional to 394,811.42, 544,838.18 and 213,523.56

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Solution

The fourth proportional to 394,811.42, 544,838.18 and 213,523.56 is: 294,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,811.42 : 544,838.18 = 213,523.56 : x
  2. Step 2: Convert to fraction form
    394,811.42/544,838.18 = 213,523.56/x
  3. Step 3: Cross multiply
    394,811.42x = 544,838.18 × 213,523.56
  4. Step 4: Simplify right side
    394,811.42x = 116,335,786,749.90
  5. Step 5: Solve for x
    x = 116,335,786,749.90/394,811.42
  6. Step 6: Final answer
    x = 294,661.66

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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.