Finding the Fourth Proportional to 326,644.44, 450,805.44 and 190,711.80
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Solution
The fourth proportional to 326,644.44, 450,805.44 and 190,711.80 is: 263,203.37
Step by Step Solution
- Step 1: Write the proportion equation
326,644.44 : 450,805.44 = 190,711.80 : x - Step 2: Convert to fraction form
326,644.44/450,805.44 = 190,711.80/x - Step 3: Cross multiply
326,644.44x = 450,805.44 × 190,711.80 - Step 4: Simplify right side
326,644.44x = 85,973,916,912.19 - Step 5: Solve for x
x = 85,973,916,912.19/326,644.44 - Step 6: Final answer
x = 263,203.37
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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.