Finding the Fourth Proportional to 527,234.21, 727,583.92 and 285,517.18
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Solution
The fourth proportional to 527,234.21, 727,583.92 and 285,517.18 is: 394,014.09
Step by Step Solution
- Step 1: Write the proportion equation
527,234.21 : 727,583.92 = 285,517.18 : x - Step 2: Convert to fraction form
527,234.21/727,583.92 = 285,517.18/x - Step 3: Cross multiply
527,234.21x = 727,583.92 × 285,517.18 - Step 4: Simplify right side
527,234.21x = 207,737,707,201.10 - Step 5: Solve for x
x = 207,737,707,201.10/527,234.21 - Step 6: Final answer
x = 394,014.09
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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.