Finding the Fourth Proportional to 209,173.24, 313,757.10 and 51,403.08
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Solution
The fourth proportional to 209,173.24, 313,757.10 and 51,403.08 is: 77,103.94
Step by Step Solution
- Step 1: Write the proportion equation
209,173.24 : 313,757.10 = 51,403.08 : x - Step 2: Convert to fraction form
209,173.24/313,757.10 = 51,403.08/x - Step 3: Cross multiply
209,173.24x = 313,757.10 × 51,403.08 - Step 4: Simplify right side
209,173.24x = 16,128,081,311.87 - Step 5: Solve for x
x = 16,128,081,311.87/209,173.24 - Step 6: Final answer
x = 77,103.94
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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.