Finding the Fourth Proportional to 200,342.88, 276,473.28 and 124,891.68
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Solution
The fourth proportional to 200,342.88, 276,473.28 and 124,891.68 is: 172,350.58
Step by Step Solution
- Step 1: Write the proportion equation
200,342.88 : 276,473.28 = 124,891.68 : x - Step 2: Convert to fraction form
200,342.88/276,473.28 = 124,891.68/x - Step 3: Cross multiply
200,342.88x = 276,473.28 × 124,891.68 - Step 4: Simplify right side
200,342.88x = 34,529,212,414.31 - Step 5: Solve for x
x = 34,529,212,414.31/200,342.88 - Step 6: Final answer
x = 172,350.58
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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.