Finding the Fourth Proportional to 102,747.94, 154,122.21 and 40,418.44
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Solution
The fourth proportional to 102,747.94, 154,122.21 and 40,418.44 is: 60,627.78
Step by Step Solution
- Step 1: Write the proportion equation
102,747.94 : 154,122.21 = 40,418.44 : x - Step 2: Convert to fraction form
102,747.94/154,122.21 = 40,418.44/x - Step 3: Cross multiply
102,747.94x = 154,122.21 × 40,418.44 - Step 4: Simplify right side
102,747.94x = 6,229,378,912.25 - Step 5: Solve for x
x = 6,229,378,912.25/102,747.94 - Step 6: Final answer
x = 60,627.78
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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.