Finding the Fourth Proportional to 137,716.80, 206,137.80 and 98,350.80
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Solution
The fourth proportional to 137,716.80, 206,137.80 and 98,350.80 is: 147,213.83
Step by Step Solution
- Step 1: Write the proportion equation
137,716.80 : 206,137.80 = 98,350.80 : x - Step 2: Convert to fraction form
137,716.80/206,137.80 = 98,350.80/x - Step 3: Cross multiply
137,716.80x = 206,137.80 × 98,350.80 - Step 4: Simplify right side
137,716.80x = 20,273,817,540.24 - Step 5: Solve for x
x = 20,273,817,540.24/137,716.80 - Step 6: Final answer
x = 147,213.83
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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.