Home / 394,849.60-544,890.72-213,561.74

Finding the Fourth Proportional to 394,849.60, 544,890.72 and 213,561.74

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Solution

The fourth proportional to 394,849.60, 544,890.72 and 213,561.74 is: 294,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,849.60 : 544,890.72 = 213,561.74 : x
  2. Step 2: Convert to fraction form
    394,849.60/544,890.72 = 213,561.74/x
  3. Step 3: Cross multiply
    394,849.60x = 544,890.72 × 213,561.74
  4. Step 4: Simplify right side
    394,849.60x = 116,367,810,273.05
  5. Step 5: Solve for x
    x = 116,367,810,273.05/394,849.60
  6. Step 6: Final answer
    x = 294,714.27

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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.