Finding the Fourth Proportional to 666,343.86, 999,514.97 and 217,063.99
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Solution
The fourth proportional to 666,343.86, 999,514.97 and 217,063.99 is: 325,595.72
Step by Step Solution
- Step 1: Write the proportion equation
666,343.86 : 999,514.97 = 217,063.99 : x - Step 2: Convert to fraction form
666,343.86/999,514.97 = 217,063.99/x - Step 3: Cross multiply
666,343.86x = 999,514.97 × 217,063.99 - Step 4: Simplify right side
666,343.86x = 216,958,707,452.93 - Step 5: Solve for x
x = 216,958,707,452.93/666,343.86 - Step 6: Final answer
x = 325,595.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.