Finding the Fourth Proportional to 161,620.62, 242,163.60 and 82,626.18
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Solution
The fourth proportional to 161,620.62, 242,163.60 and 82,626.18 is: 123,802.60
Step by Step Solution
- Step 1: Write the proportion equation
161,620.62 : 242,163.60 = 82,626.18 : x - Step 2: Convert to fraction form
161,620.62/242,163.60 = 82,626.18/x - Step 3: Cross multiply
161,620.62x = 242,163.60 × 82,626.18 - Step 4: Simplify right side
161,620.62x = 20,009,053,203.05 - Step 5: Solve for x
x = 20,009,053,203.05/161,620.62 - Step 6: Final answer
x = 123,802.60
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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.