Finding the Fourth Proportional to 326,338.25, 450,375.29 and 190,415.99
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Solution
The fourth proportional to 326,338.25, 450,375.29 and 190,415.99 is: 262,790.70
Step by Step Solution
- Step 1: Write the proportion equation
326,338.25 : 450,375.29 = 190,415.99 : x - Step 2: Convert to fraction form
326,338.25/450,375.29 = 190,415.99/x - Step 3: Cross multiply
326,338.25x = 450,375.29 × 190,415.99 - Step 4: Simplify right side
326,338.25x = 85,758,656,716.89 - Step 5: Solve for x
x = 85,758,656,716.89/326,338.25 - Step 6: Final answer
x = 262,790.70
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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.