Finding the Fourth Proportional to 193,424.60, 289,961.94 and 68,736.44
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Solution
The fourth proportional to 193,424.60, 289,961.94 and 68,736.44 is: 103,042.49
Step by Step Solution
- Step 1: Write the proportion equation
193,424.60 : 289,961.94 = 68,736.44 : x - Step 2: Convert to fraction form
193,424.60/289,961.94 = 68,736.44/x - Step 3: Cross multiply
193,424.60x = 289,961.94 × 68,736.44 - Step 4: Simplify right side
193,424.60x = 19,930,951,491.09 - Step 5: Solve for x
x = 19,930,951,491.09/193,424.60 - Step 6: Final answer
x = 103,042.49
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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.