Finding the Fourth Proportional to 202,474.30, 303,711.45 and 136,119.10
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Solution
The fourth proportional to 202,474.30, 303,711.45 and 136,119.10 is: 204,178.65
Step by Step Solution
- Step 1: Write the proportion equation
202,474.30 : 303,711.45 = 136,119.10 : x - Step 2: Convert to fraction form
202,474.30/303,711.45 = 136,119.10/x - Step 3: Cross multiply
202,474.30x = 303,711.45 × 136,119.10 - Step 4: Simplify right side
202,474.30x = 41,340,929,233.70 - Step 5: Solve for x
x = 41,340,929,233.70/202,474.30 - Step 6: Final answer
x = 204,178.65
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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.