Home / 215,845.70-323,768.55-181,631.30

Finding the Fourth Proportional to 215,845.70, 323,768.55 and 181,631.30

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Solution

The fourth proportional to 215,845.70, 323,768.55 and 181,631.30 is: 272,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845.70 : 323,768.55 = 181,631.30 : x
  2. Step 2: Convert to fraction form
    215,845.70/323,768.55 = 181,631.30/x
  3. Step 3: Cross multiply
    215,845.70x = 323,768.55 × 181,631.30
  4. Step 4: Simplify right side
    215,845.70x = 58,806,502,635.62
  5. Step 5: Solve for x
    x = 58,806,502,635.62/215,845.70
  6. Step 6: Final answer
    x = 272,446.95

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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.