Finding the Fourth Proportional to 216,442.08, 324,736.02 and 136,387.08
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Solution
The fourth proportional to 216,442.08, 324,736.02 and 136,387.08 is: 204,626.56
Step by Step Solution
- Step 1: Write the proportion equation
216,442.08 : 324,736.02 = 136,387.08 : x - Step 2: Convert to fraction form
216,442.08/324,736.02 = 136,387.08/x - Step 3: Cross multiply
216,442.08x = 324,736.02 × 136,387.08 - Step 4: Simplify right side
216,442.08x = 44,289,797,538.62 - Step 5: Solve for x
x = 44,289,797,538.62/216,442.08 - Step 6: Final answer
x = 204,626.56
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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.