Finding the Fourth Proportional to 416,230.29, 574,397.79 and 225,243.68
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Solution
The fourth proportional to 416,230.29, 574,397.79 and 225,243.68 is: 310,836.27
Step by Step Solution
- Step 1: Write the proportion equation
416,230.29 : 574,397.79 = 225,243.68 : x - Step 2: Convert to fraction form
416,230.29/574,397.79 = 225,243.68/x - Step 3: Cross multiply
416,230.29x = 574,397.79 × 225,243.68 - Step 4: Simplify right side
416,230.29x = 129,379,472,003.47 - Step 5: Solve for x
x = 129,379,472,003.47/416,230.29 - Step 6: Final answer
x = 310,836.27
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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.