Finding the Fourth Proportional to 329,859.76, 455,217.60 and 193,891.84
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Solution
The fourth proportional to 329,859.76, 455,217.60 and 193,891.84 is: 267,577.28
Step by Step Solution
- Step 1: Write the proportion equation
329,859.76 : 455,217.60 = 193,891.84 : x - Step 2: Convert to fraction form
329,859.76/455,217.60 = 193,891.84/x - Step 3: Cross multiply
329,859.76x = 455,217.60 × 193,891.84 - Step 4: Simplify right side
329,859.76x = 88,262,978,064.38 - Step 5: Solve for x
x = 88,262,978,064.38/329,859.76 - Step 6: Final answer
x = 267,577.28
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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.