Finding the Fourth Proportional to 207,545.67, 311,318.74 and 57,786.29
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Solution
The fourth proportional to 207,545.67, 311,318.74 and 57,786.29 is: 86,679.50
Step by Step Solution
- Step 1: Write the proportion equation
207,545.67 : 311,318.74 = 57,786.29 : x - Step 2: Convert to fraction form
207,545.67/311,318.74 = 57,786.29/x - Step 3: Cross multiply
207,545.67x = 311,318.74 × 57,786.29 - Step 4: Simplify right side
207,545.67x = 17,989,954,992.07 - Step 5: Solve for x
x = 17,989,954,992.07/207,545.67 - Step 6: Final answer
x = 86,679.50
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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.