Finding the Fourth Proportional to 269,831.20, 404,672.91 and 101,338.49
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Solution
The fourth proportional to 269,831.20, 404,672.91 and 101,338.49 is: 151,979.99
Step by Step Solution
- Step 1: Write the proportion equation
269,831.20 : 404,672.91 = 101,338.49 : x - Step 2: Convert to fraction form
269,831.20/404,672.91 = 101,338.49/x - Step 3: Cross multiply
269,831.20x = 404,672.91 × 101,338.49 - Step 4: Simplify right side
269,831.20x = 41,008,942,845.00 - Step 5: Solve for x
x = 41,008,942,845.00/269,831.20 - Step 6: Final answer
x = 151,979.99
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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.