Finding the Fourth Proportional to 202,657.14, 303,821.58 and 84,416.99
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Solution
The fourth proportional to 202,657.14, 303,821.58 and 84,416.99 is: 126,557.11
Step by Step Solution
- Step 1: Write the proportion equation
202,657.14 : 303,821.58 = 84,416.99 : x - Step 2: Convert to fraction form
202,657.14/303,821.58 = 84,416.99/x - Step 3: Cross multiply
202,657.14x = 303,821.58 × 84,416.99 - Step 4: Simplify right side
202,657.14x = 25,647,702,078.10 - Step 5: Solve for x
x = 25,647,702,078.10/202,657.14 - Step 6: Final answer
x = 126,557.11
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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.