Home / 381,845.80-572,768.70-222,194.80

Finding the Fourth Proportional to 381,845.80, 572,768.70 and 222,194.80

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Solution

The fourth proportional to 381,845.80, 572,768.70 and 222,194.80 is: 333,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,845.80 : 572,768.70 = 222,194.80 : x
  2. Step 2: Convert to fraction form
    381,845.80/572,768.70 = 222,194.80/x
  3. Step 3: Cross multiply
    381,845.80x = 572,768.70 × 222,194.80
  4. Step 4: Simplify right side
    381,845.80x = 127,266,226,742.76
  5. Step 5: Solve for x
    x = 127,266,226,742.76/381,845.80
  6. Step 6: Final answer
    x = 333,292.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.