Finding the Fourth Proportional to 371,163.87, 512,177.99 and 218,208.33
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Solution
The fourth proportional to 371,163.87, 512,177.99 and 218,208.33 is: 301,110.94
Step by Step Solution
- Step 1: Write the proportion equation
371,163.87 : 512,177.99 = 218,208.33 : x - Step 2: Convert to fraction form
371,163.87/512,177.99 = 218,208.33/x - Step 3: Cross multiply
371,163.87x = 512,177.99 × 218,208.33 - Step 4: Simplify right side
371,163.87x = 111,761,502,769.62 - Step 5: Solve for x
x = 111,761,502,769.62/371,163.87 - Step 6: Final answer
x = 301,110.94
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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.