Finding the Fourth Proportional to 213,782.43, 294,891.20 and 141,185.99
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Solution
The fourth proportional to 213,782.43, 294,891.20 and 141,185.99 is: 194,751.76
Step by Step Solution
- Step 1: Write the proportion equation
213,782.43 : 294,891.20 = 141,185.99 : x - Step 2: Convert to fraction form
213,782.43/294,891.20 = 141,185.99/x - Step 3: Cross multiply
213,782.43x = 294,891.20 × 141,185.99 - Step 4: Simplify right side
213,782.43x = 41,634,503,833.90 - Step 5: Solve for x
x = 41,634,503,833.90/213,782.43 - Step 6: Final answer
x = 194,751.76
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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.