Finding the Fourth Proportional to 202,717.26, 279,748.35 and 112,077.18
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Solution
The fourth proportional to 202,717.26, 279,748.35 and 112,077.18 is: 154,665.70
Step by Step Solution
- Step 1: Write the proportion equation
202,717.26 : 279,748.35 = 112,077.18 : x - Step 2: Convert to fraction form
202,717.26/279,748.35 = 112,077.18/x - Step 3: Cross multiply
202,717.26x = 279,748.35 × 112,077.18 - Step 4: Simplify right side
202,717.26x = 31,353,406,177.65 - Step 5: Solve for x
x = 31,353,406,177.65/202,717.26 - Step 6: Final answer
x = 154,665.70
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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.