Finding the Fourth Proportional to 202,431.56, 303,832.49 and 102,660.62
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Solution
The fourth proportional to 202,431.56, 303,832.49 and 102,660.62 is: 154,084.82
Step by Step Solution
- Step 1: Write the proportion equation
202,431.56 : 303,832.49 = 102,660.62 : x - Step 2: Convert to fraction form
202,431.56/303,832.49 = 102,660.62/x - Step 3: Cross multiply
202,431.56x = 303,832.49 × 102,660.62 - Step 4: Simplify right side
202,431.56x = 31,191,629,767.08 - Step 5: Solve for x
x = 31,191,629,767.08/202,431.56 - Step 6: Final answer
x = 154,084.82
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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.