Finding the Fourth Proportional to 378,581.70, 567,749.63 and 125,794.32
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Solution
The fourth proportional to 378,581.70, 567,749.63 and 125,794.32 is: 188,650.63
Step by Step Solution
- Step 1: Write the proportion equation
378,581.70 : 567,749.63 = 125,794.32 : x - Step 2: Convert to fraction form
378,581.70/567,749.63 = 125,794.32/x - Step 3: Cross multiply
378,581.70x = 567,749.63 × 125,794.32 - Step 4: Simplify right side
378,581.70x = 71,419,678,007.13 - Step 5: Solve for x
x = 71,419,678,007.13/378,581.70 - Step 6: Final answer
x = 188,650.63
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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.