Finding the Fourth Proportional to 209,198.11, 313,452.24 and 120,526.15
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Solution
The fourth proportional to 209,198.11, 313,452.24 and 120,526.15 is: 180,590.50
Step by Step Solution
- Step 1: Write the proportion equation
209,198.11 : 313,452.24 = 120,526.15 : x - Step 2: Convert to fraction form
209,198.11/313,452.24 = 120,526.15/x - Step 3: Cross multiply
209,198.11x = 313,452.24 × 120,526.15 - Step 4: Simplify right side
209,198.11x = 37,779,191,696.08 - Step 5: Solve for x
x = 37,779,191,696.08/209,198.11 - Step 6: Final answer
x = 180,590.50
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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.