Finding the Fourth Proportional to 126,514.38, 189,765.08 and 37,768.62
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Solution
The fourth proportional to 126,514.38, 189,765.08 and 37,768.62 is: 56,650.99
Step by Step Solution
- Step 1: Write the proportion equation
126,514.38 : 189,765.08 = 37,768.62 : x - Step 2: Convert to fraction form
126,514.38/189,765.08 = 37,768.62/x - Step 3: Cross multiply
126,514.38x = 189,765.08 × 37,768.62 - Step 4: Simplify right side
126,514.38x = 7,167,165,195.79 - Step 5: Solve for x
x = 7,167,165,195.79/126,514.38 - Step 6: Final answer
x = 56,650.99
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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.