Finding the Fourth Proportional to 227,211.23, 313,553.70 and 125,240.69
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Solution
The fourth proportional to 227,211.23, 313,553.70 and 125,240.69 is: 172,833.37
Step by Step Solution
- Step 1: Write the proportion equation
227,211.23 : 313,553.70 = 125,240.69 : x - Step 2: Convert to fraction form
227,211.23/313,553.70 = 125,240.69/x - Step 3: Cross multiply
227,211.23x = 313,553.70 × 125,240.69 - Step 4: Simplify right side
227,211.23x = 39,269,681,740.05 - Step 5: Solve for x
x = 39,269,681,740.05/227,211.23 - Step 6: Final answer
x = 172,833.37
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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.