Finding the Fourth Proportional to 306,949.18, 460,486.20 and 129,456.82
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Solution
The fourth proportional to 306,949.18, 460,486.20 and 129,456.82 is: 194,211.56
Step by Step Solution
- Step 1: Write the proportion equation
306,949.18 : 460,486.20 = 129,456.82 : x - Step 2: Convert to fraction form
306,949.18/460,486.20 = 129,456.82/x - Step 3: Cross multiply
306,949.18x = 460,486.20 × 129,456.82 - Step 4: Simplify right side
306,949.18x = 59,613,079,105.88 - Step 5: Solve for x
x = 59,613,079,105.88/306,949.18 - Step 6: Final answer
x = 194,211.56
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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.