Finding the Fourth Proportional to 202,183.68, 278,990.92 and 117,284.32
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Solution
The fourth proportional to 202,183.68, 278,990.92 and 117,284.32 is: 161,839.28
Step by Step Solution
- Step 1: Write the proportion equation
202,183.68 : 278,990.92 = 117,284.32 : x - Step 2: Convert to fraction form
202,183.68/278,990.92 = 117,284.32/x - Step 3: Cross multiply
202,183.68x = 278,990.92 × 117,284.32 - Step 4: Simplify right side
202,183.68x = 32,721,260,338.37 - Step 5: Solve for x
x = 32,721,260,338.37/202,183.68 - Step 6: Final answer
x = 161,839.28
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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.