Finding the Fourth Proportional to 252,882.27, 348,987.53 and 145,452.09
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Solution
The fourth proportional to 252,882.27, 348,987.53 and 145,452.09 is: 200,729.63
Step by Step Solution
- Step 1: Write the proportion equation
252,882.27 : 348,987.53 = 145,452.09 : x - Step 2: Convert to fraction form
252,882.27/348,987.53 = 145,452.09/x - Step 3: Cross multiply
252,882.27x = 348,987.53 × 145,452.09 - Step 4: Simplify right side
252,882.27x = 50,760,964,895.18 - Step 5: Solve for x
x = 50,760,964,895.18/252,882.27 - Step 6: Final answer
x = 200,729.63
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1.5x scale
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.