Finding the Fourth Proportional to 209,028.75, 313,595.21 and 61,284.75
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Solution
The fourth proportional to 209,028.75, 313,595.21 and 61,284.75 is: 91,942.39
Step by Step Solution
- Step 1: Write the proportion equation
209,028.75 : 313,595.21 = 61,284.75 : x - Step 2: Convert to fraction form
209,028.75/313,595.21 = 61,284.75/x - Step 3: Cross multiply
209,028.75x = 313,595.21 × 61,284.75 - Step 4: Simplify right side
209,028.75x = 19,218,603,739.62 - Step 5: Solve for x
x = 19,218,603,739.62/209,028.75 - Step 6: Final answer
x = 91,942.39
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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.