Finding the Fourth Proportional to 227,091.18, 313,370.84 and 136,393.26
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Solution
The fourth proportional to 227,091.18, 313,370.84 and 136,393.26 is: 188,213.70
Step by Step Solution
- Step 1: Write the proportion equation
227,091.18 : 313,370.84 = 136,393.26 : x - Step 2: Convert to fraction form
227,091.18/313,370.84 = 136,393.26/x - Step 3: Cross multiply
227,091.18x = 313,370.84 × 136,393.26 - Step 4: Simplify right side
227,091.18x = 42,741,670,456.54 - Step 5: Solve for x
x = 42,741,670,456.54/227,091.18 - Step 6: Final answer
x = 188,213.70
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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.