Finding the Fourth Proportional to 220,194.09, 303,869.39 and 119,592.09
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Solution
The fourth proportional to 220,194.09, 303,869.39 and 119,592.09 is: 165,037.92
Step by Step Solution
- Step 1: Write the proportion equation
220,194.09 : 303,869.39 = 119,592.09 : x - Step 2: Convert to fraction form
220,194.09/303,869.39 = 119,592.09/x - Step 3: Cross multiply
220,194.09x = 303,869.39 × 119,592.09 - Step 4: Simplify right side
220,194.09x = 36,340,375,437.13 - Step 5: Solve for x
x = 36,340,375,437.13/220,194.09 - Step 6: Final answer
x = 165,037.92
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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.