Finding the Fourth Proportional to 406,391.24, 560,795.18 and 225,092.42
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Solution
The fourth proportional to 406,391.24, 560,795.18 and 225,092.42 is: 310,613.84
Step by Step Solution
- Step 1: Write the proportion equation
406,391.24 : 560,795.18 = 225,092.42 : x - Step 2: Convert to fraction form
406,391.24/560,795.18 = 225,092.42/x - Step 3: Cross multiply
406,391.24x = 560,795.18 × 225,092.42 - Step 4: Simplify right side
406,391.24x = 126,230,743,065.07 - Step 5: Solve for x
x = 126,230,743,065.07/406,391.24 - Step 6: Final answer
x = 310,613.84
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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.