Finding the Fourth Proportional to 207,918.92, 311,831.32 and 95,491.05
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Solution
The fourth proportional to 207,918.92, 311,831.32 and 95,491.05 is: 143,214.96
Step by Step Solution
- Step 1: Write the proportion equation
207,918.92 : 311,831.32 = 95,491.05 : x - Step 2: Convert to fraction form
207,918.92/311,831.32 = 95,491.05/x - Step 3: Cross multiply
207,918.92x = 311,831.32 × 95,491.05 - Step 4: Simplify right side
207,918.92x = 29,777,100,169.69 - Step 5: Solve for x
x = 29,777,100,169.69/207,918.92 - Step 6: Final answer
x = 143,214.96
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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.