Finding the Fourth Proportional to 209,197.11, 313,450.74 and 120,525.15
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Solution
The fourth proportional to 209,197.11, 313,450.74 and 120,525.15 is: 180,589.00
Step by Step Solution
- Step 1: Write the proportion equation
209,197.11 : 313,450.74 = 120,525.15 : x - Step 2: Convert to fraction form
209,197.11/313,450.74 = 120,525.15/x - Step 3: Cross multiply
209,197.11x = 313,450.74 × 120,525.15 - Step 4: Simplify right side
209,197.11x = 37,778,697,456.11 - Step 5: Solve for x
x = 37,778,697,456.11/209,197.11 - Step 6: Final answer
x = 180,589.00
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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.