Finding the Fourth Proportional to 161,724.20, 242,618.70 and 135,609.80
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Solution
The fourth proportional to 161,724.20, 242,618.70 and 135,609.80 is: 203,441.87
Step by Step Solution
- Step 1: Write the proportion equation
161,724.20 : 242,618.70 = 135,609.80 : x - Step 2: Convert to fraction form
161,724.20/242,618.70 = 135,609.80/x - Step 3: Cross multiply
161,724.20x = 242,618.70 × 135,609.80 - Step 4: Simplify right side
161,724.20x = 32,901,473,383.26 - Step 5: Solve for x
x = 32,901,473,383.26/161,724.20 - Step 6: Final answer
x = 203,441.87
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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.