Finding the Fourth Proportional to 190,236.08, 285,375.99 and 111,350.99
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Solution
The fourth proportional to 190,236.08, 285,375.99 and 111,350.99 is: 167,039.29
Step by Step Solution
- Step 1: Write the proportion equation
190,236.08 : 285,375.99 = 111,350.99 : x - Step 2: Convert to fraction form
190,236.08/285,375.99 = 111,350.99/x - Step 3: Cross multiply
190,236.08x = 285,375.99 × 111,350.99 - Step 4: Simplify right side
190,236.08x = 31,776,899,008.73 - Step 5: Solve for x
x = 31,776,899,008.73/190,236.08 - Step 6: Final answer
x = 167,039.29
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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.