Finding the Fourth Proportional to 137,912.91, 206,869.37 and 44,418.66
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Solution
The fourth proportional to 137,912.91, 206,869.37 and 44,418.66 is: 66,627.99
Step by Step Solution
- Step 1: Write the proportion equation
137,912.91 : 206,869.37 = 44,418.66 : x - Step 2: Convert to fraction form
137,912.91/206,869.37 = 44,418.66/x - Step 3: Cross multiply
137,912.91x = 206,869.37 × 44,418.66 - Step 4: Simplify right side
137,912.91x = 9,188,860,210.44 - Step 5: Solve for x
x = 9,188,860,210.44/137,912.91 - Step 6: Final answer
x = 66,627.99
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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.