Finding the Fourth Proportional to 209,211.24, 313,799.08 and 82,817.12
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Solution
The fourth proportional to 209,211.24, 313,799.08 and 82,817.12 is: 124,218.64
Step by Step Solution
- Step 1: Write the proportion equation
209,211.24 : 313,799.08 = 82,817.12 : x - Step 2: Convert to fraction form
209,211.24/313,799.08 = 82,817.12/x - Step 3: Cross multiply
209,211.24x = 313,799.08 × 82,817.12 - Step 4: Simplify right side
209,211.24x = 25,987,934,288.21 - Step 5: Solve for x
x = 25,987,934,288.21/209,211.24 - Step 6: Final answer
x = 124,218.64
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1.5x scale
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.