Finding the Fourth Proportional to 194,759.73, 268,889.99 and 149,350.32
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Solution
The fourth proportional to 194,759.73, 268,889.99 and 149,350.32 is: 206,196.66
Step by Step Solution
- Step 1: Write the proportion equation
194,759.73 : 268,889.99 = 149,350.32 : x - Step 2: Convert to fraction form
194,759.73/268,889.99 = 149,350.32/x - Step 3: Cross multiply
194,759.73x = 268,889.99 × 149,350.32 - Step 4: Simplify right side
194,759.73x = 40,158,806,051.30 - Step 5: Solve for x
x = 40,158,806,051.30/194,759.73 - Step 6: Final answer
x = 206,196.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.