Finding the Fourth Proportional to 306,519.88, 422,934.04 and 179,170.84
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Solution
The fourth proportional to 306,519.88, 422,934.04 and 179,170.84 is: 247,218.70
Step by Step Solution
- Step 1: Write the proportion equation
306,519.88 : 422,934.04 = 179,170.84 : x - Step 2: Convert to fraction form
306,519.88/422,934.04 = 179,170.84/x - Step 3: Cross multiply
306,519.88x = 422,934.04 × 179,170.84 - Step 4: Simplify right side
306,519.88x = 75,777,447,211.39 - Step 5: Solve for x
x = 75,777,447,211.39/306,519.88 - Step 6: Final answer
x = 247,218.70
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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.