Finding the Fourth Proportional to 161,616.62, 242,157.63 and 82,622.18
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Solution
The fourth proportional to 161,616.62, 242,157.63 and 82,622.18 is: 123,796.62
Step by Step Solution
- Step 1: Write the proportion equation
161,616.62 : 242,157.63 = 82,622.18 : x - Step 2: Convert to fraction form
161,616.62/242,157.63 = 82,622.18/x - Step 3: Cross multiply
161,616.62x = 242,157.63 × 82,622.18 - Step 4: Simplify right side
161,616.62x = 20,007,591,294.23 - Step 5: Solve for x
x = 20,007,591,294.23/161,616.62 - Step 6: Final answer
x = 123,796.62
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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.