Finding the Fourth Proportional to 209,194.28, 313,807.62 and 125,524.52
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Solution
The fourth proportional to 209,194.28, 313,807.62 and 125,524.52 is: 188,296.50
Step by Step Solution
- Step 1: Write the proportion equation
209,194.28 : 313,807.62 = 125,524.52 : x - Step 2: Convert to fraction form
209,194.28/313,807.62 = 125,524.52/x - Step 3: Cross multiply
209,194.28x = 313,807.62 × 125,524.52 - Step 4: Simplify right side
209,194.28x = 39,390,550,872.84 - Step 5: Solve for x
x = 39,390,550,872.84/209,194.28 - Step 6: Final answer
x = 188,296.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.