Finding the Fourth Proportional to 190,639.68, 285,759.99 and 64,236.26
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Solution
The fourth proportional to 190,639.68, 285,759.99 and 64,236.26 is: 96,287.15
Step by Step Solution
- Step 1: Write the proportion equation
190,639.68 : 285,759.99 = 64,236.26 : x - Step 2: Convert to fraction form
190,639.68/285,759.99 = 64,236.26/x - Step 3: Cross multiply
190,639.68x = 285,759.99 × 64,236.26 - Step 4: Simplify right side
190,639.68x = 18,356,151,586.44 - Step 5: Solve for x
x = 18,356,151,586.44/190,639.68 - Step 6: Final answer
x = 96,287.15
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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.