Finding the Fourth Proportional to 202,324.17, 279,207.39 and 111,680.18
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Solution
The fourth proportional to 202,324.17, 279,207.39 and 111,680.18 is: 154,118.66
Step by Step Solution
- Step 1: Write the proportion equation
202,324.17 : 279,207.39 = 111,680.18 : x - Step 2: Convert to fraction form
202,324.17/279,207.39 = 111,680.18/x - Step 3: Cross multiply
202,324.17x = 279,207.39 × 111,680.18 - Step 4: Simplify right side
202,324.17x = 31,181,930,176.49 - Step 5: Solve for x
x = 31,181,930,176.49/202,324.17 - Step 6: Final answer
x = 154,118.66
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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.