Home / 394,854.03-544,897.98-222,771.75

Finding the Fourth Proportional to 394,854.03, 544,897.98 and 222,771.75

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Solution

The fourth proportional to 394,854.03, 544,897.98 and 222,771.75 is: 307,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,854.03 : 544,897.98 = 222,771.75 : x
  2. Step 2: Convert to fraction form
    394,854.03/544,897.98 = 222,771.75/x
  3. Step 3: Cross multiply
    394,854.03x = 544,897.98 × 222,771.75
  4. Step 4: Simplify right side
    394,854.03x = 121,387,876,576.07
  5. Step 5: Solve for x
    x = 121,387,876,576.07/394,854.03
  6. Step 6: Final answer
    x = 307,424.69

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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.