Finding the Fourth Proportional to 381,717.23, 526,729.42 and 220,623.42
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Solution
The fourth proportional to 381,717.23, 526,729.42 and 220,623.42 is: 304,436.99
Step by Step Solution
- Step 1: Write the proportion equation
381,717.23 : 526,729.42 = 220,623.42 : x - Step 2: Convert to fraction form
381,717.23/526,729.42 = 220,623.42/x - Step 3: Cross multiply
381,717.23x = 526,729.42 × 220,623.42 - Step 4: Simplify right side
381,717.23x = 116,208,846,514.35 - Step 5: Solve for x
x = 116,208,846,514.35/381,717.23 - Step 6: Final answer
x = 304,436.99
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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.