Finding the Fourth Proportional to 207,653.76, 311,748.48 and 178,260.48
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Solution
The fourth proportional to 207,653.76, 311,748.48 and 178,260.48 is: 267,620.65
Step by Step Solution
- Step 1: Write the proportion equation
207,653.76 : 311,748.48 = 178,260.48 : x - Step 2: Convert to fraction form
207,653.76/311,748.48 = 178,260.48/x - Step 3: Cross multiply
207,653.76x = 311,748.48 × 178,260.48 - Step 4: Simplify right side
207,653.76x = 55,572,433,684.07 - Step 5: Solve for x
x = 55,572,433,684.07/207,653.76 - Step 6: Final answer
x = 267,620.65
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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.