Finding the Fourth Proportional to 188,296.20, 282,249.90 and 135,523.08
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Solution
The fourth proportional to 188,296.20, 282,249.90 and 135,523.08 is: 203,144.70
Step by Step Solution
- Step 1: Write the proportion equation
188,296.20 : 282,249.90 = 135,523.08 : x - Step 2: Convert to fraction form
188,296.20/282,249.90 = 135,523.08/x - Step 3: Cross multiply
188,296.20x = 282,249.90 × 135,523.08 - Step 4: Simplify right side
188,296.20x = 38,251,375,777.69 - Step 5: Solve for x
x = 38,251,375,777.69/188,296.20 - Step 6: Final answer
x = 203,144.70
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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.