Finding the Fourth Proportional to 207,683.25, 311,524.84 and 49,911.70
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Solution
The fourth proportional to 207,683.25, 311,524.84 and 49,911.70 is: 74,867.54
Step by Step Solution
- Step 1: Write the proportion equation
207,683.25 : 311,524.84 = 49,911.70 : x - Step 2: Convert to fraction form
207,683.25/311,524.84 = 49,911.70/x - Step 3: Cross multiply
207,683.25x = 311,524.84 × 49,911.70 - Step 4: Simplify right side
207,683.25x = 15,548,734,356.63 - Step 5: Solve for x
x = 15,548,734,356.63/207,683.25 - Step 6: Final answer
x = 74,867.54
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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.