Finding the Fourth Proportional to 326,515.44, 450,760.41 and 253,755.84
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Solution
The fourth proportional to 326,515.44, 450,760.41 and 253,755.84 is: 350,314.48
Step by Step Solution
- Step 1: Write the proportion equation
326,515.44 : 450,760.41 = 253,755.84 : x - Step 2: Convert to fraction form
326,515.44/450,760.41 = 253,755.84/x - Step 3: Cross multiply
326,515.44x = 450,760.41 × 253,755.84 - Step 4: Simplify right side
326,515.44x = 114,383,086,478.29 - Step 5: Solve for x
x = 114,383,086,478.29/326,515.44 - Step 6: Final answer
x = 350,314.48
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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.