Finding the Fourth Proportional to 146,591.75, 202,296.62 and 79,523.75
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Solution
The fourth proportional to 146,591.75, 202,296.62 and 79,523.75 is: 109,742.78
Step by Step Solution
- Step 1: Write the proportion equation
146,591.75 : 202,296.62 = 79,523.75 : x - Step 2: Convert to fraction form
146,591.75/202,296.62 = 79,523.75/x - Step 3: Cross multiply
146,591.75x = 202,296.62 × 79,523.75 - Step 4: Simplify right side
146,591.75x = 16,087,385,834.73 - Step 5: Solve for x
x = 16,087,385,834.73/146,591.75 - Step 6: Final answer
x = 109,742.78
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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.