Finding the Fourth Proportional to 182,786.10, 252,243.09 and 102,212.70
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Solution
The fourth proportional to 182,786.10, 252,243.09 and 102,212.70 is: 141,052.56
Step by Step Solution
- Step 1: Write the proportion equation
182,786.10 : 252,243.09 = 102,212.70 : x - Step 2: Convert to fraction form
182,786.10/252,243.09 = 102,212.70/x - Step 3: Cross multiply
182,786.10x = 252,243.09 × 102,212.70 - Step 4: Simplify right side
182,786.10x = 25,782,447,285.24 - Step 5: Solve for x
x = 25,782,447,285.24/182,786.10 - Step 6: Final answer
x = 141,052.56
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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.