Finding the Fourth Proportional to 193,091.62, 289,260.36 and 91,745.44
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Solution
The fourth proportional to 193,091.62, 289,260.36 and 91,745.44 is: 137,438.99
Step by Step Solution
- Step 1: Write the proportion equation
193,091.62 : 289,260.36 = 91,745.44 : x - Step 2: Convert to fraction form
193,091.62/289,260.36 = 91,745.44/x - Step 3: Cross multiply
193,091.62x = 289,260.36 × 91,745.44 - Step 4: Simplify right side
193,091.62x = 26,538,317,097.73 - Step 5: Solve for x
x = 26,538,317,097.73/193,091.62 - Step 6: Final answer
x = 137,438.99
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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.