Home / 394,933.24-545,006.23-213,644.74

Finding the Fourth Proportional to 394,933.24, 545,006.23 and 213,644.74

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Solution

The fourth proportional to 394,933.24, 545,006.23 and 213,644.74 is: 294,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,933.24 : 545,006.23 = 213,644.74 : x
  2. Step 2: Convert to fraction form
    394,933.24/545,006.23 = 213,644.74/x
  3. Step 3: Cross multiply
    394,933.24x = 545,006.23 × 213,644.74
  4. Step 4: Simplify right side
    394,933.24x = 116,437,714,306.73
  5. Step 5: Solve for x
    x = 116,437,714,306.73/394,933.24
  6. Step 6: Final answer
    x = 294,828.85

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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.