Finding the Fourth Proportional to 322,163.38, 444,571.08 and 193,173.06
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Solution
The fourth proportional to 322,163.38, 444,571.08 and 193,173.06 is: 266,570.19
Step by Step Solution
- Step 1: Write the proportion equation
322,163.38 : 444,571.08 = 193,173.06 : x - Step 2: Convert to fraction form
322,163.38/444,571.08 = 193,173.06/x - Step 3: Cross multiply
322,163.38x = 444,571.08 × 193,173.06 - Step 4: Simplify right side
322,163.38x = 85,879,152,722.38 - Step 5: Solve for x
x = 85,879,152,722.38/322,163.38 - Step 6: Final answer
x = 266,570.19
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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.