Home / 394,821.21-544,853.27-213,533.14

Finding the Fourth Proportional to 394,821.21, 544,853.27 and 213,533.14

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Solution

The fourth proportional to 394,821.21, 544,853.27 and 213,533.14 is: 294,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,821.21 : 544,853.27 = 213,533.14 : x
  2. Step 2: Convert to fraction form
    394,821.21/544,853.27 = 213,533.14/x
  3. Step 3: Cross multiply
    394,821.21x = 544,853.27 × 213,533.14
  4. Step 4: Simplify right side
    394,821.21x = 116,344,229,582.37
  5. Step 5: Solve for x
    x = 116,344,229,582.37/394,821.21
  6. Step 6: Final answer
    x = 294,675.73

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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.