Finding the Fourth Proportional to 347,212.06, 479,149.11 and 192,163.65
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Solution
The fourth proportional to 347,212.06, 479,149.11 and 192,163.65 is: 265,183.88
Step by Step Solution
- Step 1: Write the proportion equation
347,212.06 : 479,149.11 = 192,163.65 : x - Step 2: Convert to fraction form
347,212.06/479,149.11 = 192,163.65/x - Step 3: Cross multiply
347,212.06x = 479,149.11 × 192,163.65 - Step 4: Simplify right side
347,212.06x = 92,075,040,911.03 - Step 5: Solve for x
x = 92,075,040,911.03/347,212.06 - Step 6: Final answer
x = 265,183.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.