Finding the Fourth Proportional to 190,257.05, 261,957.24 and 161,517.17
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Solution
The fourth proportional to 190,257.05, 261,957.24 and 161,517.17 is: 222,386.46
Step by Step Solution
- Step 1: Write the proportion equation
190,257.05 : 261,957.24 = 161,517.17 : x - Step 2: Convert to fraction form
190,257.05/261,957.24 = 161,517.17/x - Step 3: Cross multiply
190,257.05x = 261,957.24 × 161,517.17 - Step 4: Simplify right side
190,257.05x = 42,310,592,720.70 - Step 5: Solve for x
x = 42,310,592,720.70/190,257.05 - Step 6: Final answer
x = 222,386.46
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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.