Finding the Fourth Proportional to 212,759.09, 293,586.52 and 126,700.96
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Solution
The fourth proportional to 212,759.09, 293,586.52 and 126,700.96 is: 174,834.79
Step by Step Solution
- Step 1: Write the proportion equation
212,759.09 : 293,586.52 = 126,700.96 : x - Step 2: Convert to fraction form
212,759.09/293,586.52 = 126,700.96/x - Step 3: Cross multiply
212,759.09x = 293,586.52 × 126,700.96 - Step 4: Simplify right side
212,759.09x = 37,197,691,825.62 - Step 5: Solve for x
x = 37,197,691,825.62/212,759.09 - Step 6: Final answer
x = 174,834.79
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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.