Finding the Fourth Proportional to 312,665.25, 468,882.99 and 107,441.70
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Solution
The fourth proportional to 312,665.25, 468,882.99 and 107,441.70 is: 161,123.07
Step by Step Solution
- Step 1: Write the proportion equation
312,665.25 : 468,882.99 = 107,441.70 : x - Step 2: Convert to fraction form
312,665.25/468,882.99 = 107,441.70/x - Step 3: Cross multiply
312,665.25x = 468,882.99 × 107,441.70 - Step 4: Simplify right side
312,665.25x = 50,377,585,546.68 - Step 5: Solve for x
x = 50,377,585,546.68/312,665.25 - Step 6: Final answer
x = 161,123.07
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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.