Finding the Fourth Proportional to 161,049.42, 222,240.78 and 89,433.99
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Solution
The fourth proportional to 161,049.42, 222,240.78 and 89,433.99 is: 123,414.79
Step by Step Solution
- Step 1: Write the proportion equation
161,049.42 : 222,240.78 = 89,433.99 : x - Step 2: Convert to fraction form
161,049.42/222,240.78 = 89,433.99/x - Step 3: Cross multiply
161,049.42x = 222,240.78 × 89,433.99 - Step 4: Simplify right side
161,049.42x = 19,875,879,696.11 - Step 5: Solve for x
x = 19,875,879,696.11/161,049.42 - Step 6: Final answer
x = 123,414.79
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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.