Finding the Fourth Proportional to 269,135.26, 403,571.57 and 153,716.33
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Solution
The fourth proportional to 269,135.26, 403,571.57 and 153,716.33 is: 230,499.49
Step by Step Solution
- Step 1: Write the proportion equation
269,135.26 : 403,571.57 = 153,716.33 : x - Step 2: Convert to fraction form
269,135.26/403,571.57 = 153,716.33/x - Step 3: Cross multiply
269,135.26x = 403,571.57 × 153,716.33 - Step 4: Simplify right side
269,135.26x = 62,035,540,873.09 - Step 5: Solve for x
x = 62,035,540,873.09/269,135.26 - Step 6: Final answer
x = 230,499.49
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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.