Finding the Fourth Proportional to 274,472.82, 378,751.41 and 153,591.66
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Solution
The fourth proportional to 274,472.82, 378,751.41 and 153,591.66 is: 211,944.69
Step by Step Solution
- Step 1: Write the proportion equation
274,472.82 : 378,751.41 = 153,591.66 : x - Step 2: Convert to fraction form
274,472.82/378,751.41 = 153,591.66/x - Step 3: Cross multiply
274,472.82x = 378,751.41 × 153,591.66 - Step 4: Simplify right side
274,472.82x = 58,173,057,789.24 - Step 5: Solve for x
x = 58,173,057,789.24/274,472.82 - Step 6: Final answer
x = 211,944.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.