Home / 394,944.18-545,052.21-225,182.58

Finding the Fourth Proportional to 394,944.18, 545,052.21 and 225,182.58

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Solution

The fourth proportional to 394,944.18, 545,052.21 and 225,182.58 is: 310,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,944.18 : 545,052.21 = 225,182.58 : x
  2. Step 2: Convert to fraction form
    394,944.18/545,052.21 = 225,182.58/x
  3. Step 3: Cross multiply
    394,944.18x = 545,052.21 × 225,182.58
  4. Step 4: Simplify right side
    394,944.18x = 122,736,262,882.50
  5. Step 5: Solve for x
    x = 122,736,262,882.50/394,944.18
  6. Step 6: Final answer
    x = 310,768.63

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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.