Finding the Fourth Proportional to 146,682.09, 202,414.28 and 90,082.53
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Solution
The fourth proportional to 146,682.09, 202,414.28 and 90,082.53 is: 124,309.59
Step by Step Solution
- Step 1: Write the proportion equation
146,682.09 : 202,414.28 = 90,082.53 : x - Step 2: Convert to fraction form
146,682.09/202,414.28 = 90,082.53/x - Step 3: Cross multiply
146,682.09x = 202,414.28 × 90,082.53 - Step 4: Simplify right side
146,682.09x = 18,233,990,450.53 - Step 5: Solve for x
x = 18,233,990,450.53/146,682.09 - Step 6: Final answer
x = 124,309.59
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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.