Finding the Fourth Proportional to 208,343.68, 287,514.36 and 112,850.08
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Solution
The fourth proportional to 208,343.68, 287,514.36 and 112,850.08 is: 155,733.15
Step by Step Solution
- Step 1: Write the proportion equation
208,343.68 : 287,514.36 = 112,850.08 : x - Step 2: Convert to fraction form
208,343.68/287,514.36 = 112,850.08/x - Step 3: Cross multiply
208,343.68x = 287,514.36 × 112,850.08 - Step 4: Simplify right side
208,343.68x = 32,446,018,527.15 - Step 5: Solve for x
x = 32,446,018,527.15/208,343.68 - Step 6: Final answer
x = 155,733.15
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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.