Finding the Fourth Proportional to 227,161.62, 313,496.73 and 125,186.81
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Solution
The fourth proportional to 227,161.62, 313,496.73 and 125,186.81 is: 172,765.34
Step by Step Solution
- Step 1: Write the proportion equation
227,161.62 : 313,496.73 = 125,186.81 : x - Step 2: Convert to fraction form
227,161.62/313,496.73 = 125,186.81/x - Step 3: Cross multiply
227,161.62x = 313,496.73 × 125,186.81 - Step 4: Simplify right side
227,161.62x = 39,245,654,006.65 - Step 5: Solve for x
x = 39,245,654,006.65/227,161.62 - Step 6: Final answer
x = 172,765.34
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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.