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Finding the Fourth Proportional to 378,601.80, 568,010.00 and 154,123.26

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Solution

The fourth proportional to 378,601.80, 568,010.00 and 154,123.26 is: 231,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,601.80 : 568,010.00 = 154,123.26 : x
  2. Step 2: Convert to fraction form
    378,601.80/568,010.00 = 154,123.26/x
  3. Step 3: Cross multiply
    378,601.80x = 568,010.00 × 154,123.26
  4. Step 4: Simplify right side
    378,601.80x = 87,543,555,427.95
  5. Step 5: Solve for x
    x = 87,543,555,427.95/378,601.80
  6. Step 6: Final answer
    x = 231,228.57

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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.