Finding the Fourth Proportional to 202,639.11, 304,011.17 and 107,791.18
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Solution
The fourth proportional to 202,639.11, 304,011.17 and 107,791.18 is: 161,714.70
Step by Step Solution
- Step 1: Write the proportion equation
202,639.11 : 304,011.17 = 107,791.18 : x - Step 2: Convert to fraction form
202,639.11/304,011.17 = 107,791.18/x - Step 3: Cross multiply
202,639.11x = 304,011.17 × 107,791.18 - Step 4: Simplify right side
202,639.11x = 32,769,722,747.48 - Step 5: Solve for x
x = 32,769,722,747.48/202,639.11 - Step 6: Final answer
x = 161,714.70
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1.5x scale
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.