Finding the Fourth Proportional to 220,441.77, 304,237.79 and 129,806.17
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Solution
The fourth proportional to 220,441.77, 304,237.79 and 129,806.17 is: 179,149.09
Step by Step Solution
- Step 1: Write the proportion equation
220,441.77 : 304,237.79 = 129,806.17 : x - Step 2: Convert to fraction form
220,441.77/304,237.79 = 129,806.17/x - Step 3: Cross multiply
220,441.77x = 304,237.79 × 129,806.17 - Step 4: Simplify right side
220,441.77x = 39,491,941,640.13 - Step 5: Solve for x
x = 39,491,941,640.13/220,441.77 - Step 6: Final answer
x = 179,149.09
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1.5x scale
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.