Finding the Fourth Proportional to 226,612.06, 339,611.92 and 86,294.14
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Solution
The fourth proportional to 226,612.06, 339,611.92 and 86,294.14 is: 129,324.62
Step by Step Solution
- Step 1: Write the proportion equation
226,612.06 : 339,611.92 = 86,294.14 : x - Step 2: Convert to fraction form
226,612.06/339,611.92 = 86,294.14/x - Step 3: Cross multiply
226,612.06x = 339,611.92 × 86,294.14 - Step 4: Simplify right side
226,612.06x = 29,306,518,570.15 - Step 5: Solve for x
x = 29,306,518,570.15/226,612.06 - Step 6: Final answer
x = 129,324.62
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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.