Finding the Fourth Proportional to 161,057.97, 222,262.99 and 89,444.66
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Solution
The fourth proportional to 161,057.97, 222,262.99 and 89,444.66 is: 123,435.28
Step by Step Solution
- Step 1: Write the proportion equation
161,057.97 : 222,262.99 = 89,444.66 : x - Step 2: Convert to fraction form
161,057.97/222,262.99 = 89,444.66/x - Step 3: Cross multiply
161,057.97x = 222,262.99 × 89,444.66 - Step 4: Simplify right side
161,057.97x = 19,880,236,236.21 - Step 5: Solve for x
x = 19,880,236,236.21/161,057.97 - Step 6: Final answer
x = 123,435.28
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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.