Finding the Fourth Proportional to 202,438.30, 303,657.45 and 136,083.10
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Solution
The fourth proportional to 202,438.30, 303,657.45 and 136,083.10 is: 204,124.65
Step by Step Solution
- Step 1: Write the proportion equation
202,438.30 : 303,657.45 = 136,083.10 : x - Step 2: Convert to fraction form
202,438.30/303,657.45 = 136,083.10/x - Step 3: Cross multiply
202,438.30x = 303,657.45 × 136,083.10 - Step 4: Simplify right side
202,438.30x = 41,322,647,134.10 - Step 5: Solve for x
x = 41,322,647,134.10/202,438.30 - Step 6: Final answer
x = 204,124.65
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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.