Finding the Fourth Proportional to 204,121.27, 306,186.10 and 74,285.62
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Solution
The fourth proportional to 204,121.27, 306,186.10 and 74,285.62 is: 111,429.96
Step by Step Solution
- Step 1: Write the proportion equation
204,121.27 : 306,186.10 = 74,285.62 : x - Step 2: Convert to fraction form
204,121.27/306,186.10 = 74,285.62/x - Step 3: Cross multiply
204,121.27x = 306,186.10 × 74,285.62 - Step 4: Simplify right side
204,121.27x = 22,745,223,962.21 - Step 5: Solve for x
x = 22,745,223,962.21/204,121.27 - Step 6: Final answer
x = 111,429.96
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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.