Finding the Fourth Proportional to 193,489.87, 290,236.42 and 53,256.19
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Solution
The fourth proportional to 193,489.87, 290,236.42 and 53,256.19 is: 79,884.72
Step by Step Solution
- Step 1: Write the proportion equation
193,489.87 : 290,236.42 = 53,256.19 : x - Step 2: Convert to fraction form
193,489.87/290,236.42 = 53,256.19/x - Step 3: Cross multiply
193,489.87x = 290,236.42 × 53,256.19 - Step 4: Simplify right side
193,489.87x = 15,456,884,477.26 - Step 5: Solve for x
x = 15,456,884,477.26/193,489.87 - Step 6: Final answer
x = 79,884.72
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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.