Finding the Fourth Proportional to 209,174.24, 313,758.64 and 51,404.08
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Solution
The fourth proportional to 209,174.24, 313,758.64 and 51,404.08 is: 77,105.45
Step by Step Solution
- Step 1: Write the proportion equation
209,174.24 : 313,758.64 = 51,404.08 : x - Step 2: Convert to fraction form
209,174.24/313,758.64 = 51,404.08/x - Step 3: Cross multiply
209,174.24x = 313,758.64 × 51,404.08 - Step 4: Simplify right side
209,174.24x = 16,128,474,231.25 - Step 5: Solve for x
x = 16,128,474,231.25/209,174.24 - Step 6: Final answer
x = 77,105.45
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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.