Finding the Fourth Proportional to 217,738.53, 326,628.33 and 84,628.98
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Solution
The fourth proportional to 217,738.53, 326,628.33 and 84,628.98 is: 126,951.45
Step by Step Solution
- Step 1: Write the proportion equation
217,738.53 : 326,628.33 = 84,628.98 : x - Step 2: Convert to fraction form
217,738.53/326,628.33 = 84,628.98/x - Step 3: Cross multiply
217,738.53x = 326,628.33 × 84,628.98 - Step 4: Simplify right side
217,738.53x = 27,642,222,407.00 - Step 5: Solve for x
x = 27,642,222,407.00/217,738.53 - Step 6: Final answer
x = 126,951.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.