Finding the Fourth Proportional to 164,571.29, 227,198.77 and 103,381.31
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Solution
The fourth proportional to 164,571.29, 227,198.77 and 103,381.31 is: 142,722.99
Step by Step Solution
- Step 1: Write the proportion equation
164,571.29 : 227,198.77 = 103,381.31 : x - Step 2: Convert to fraction form
164,571.29/227,198.77 = 103,381.31/x - Step 3: Cross multiply
164,571.29x = 227,198.77 × 103,381.31 - Step 4: Simplify right side
164,571.29x = 23,488,107,364.05 - Step 5: Solve for x
x = 23,488,107,364.05/164,571.29 - Step 6: Final answer
x = 142,722.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.