Finding the Fourth Proportional to 220,193.09, 303,868.01 and 119,591.09
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Solution
The fourth proportional to 220,193.09, 303,868.01 and 119,591.09 is: 165,036.54
Step by Step Solution
- Step 1: Write the proportion equation
220,193.09 : 303,868.01 = 119,591.09 : x - Step 2: Convert to fraction form
220,193.09/303,868.01 = 119,591.09/x - Step 3: Cross multiply
220,193.09x = 303,868.01 × 119,591.09 - Step 4: Simplify right side
220,193.09x = 36,339,905,311.67 - Step 5: Solve for x
x = 36,339,905,311.67/220,193.09 - Step 6: Final answer
x = 165,036.54
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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.