Finding the Fourth Proportional to 214,722.38, 296,344.22 and 129,840.05
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Solution
The fourth proportional to 214,722.38, 296,344.22 and 129,840.05 is: 179,195.79
Step by Step Solution
- Step 1: Write the proportion equation
214,722.38 : 296,344.22 = 129,840.05 : x - Step 2: Convert to fraction form
214,722.38/296,344.22 = 129,840.05/x - Step 3: Cross multiply
214,722.38x = 296,344.22 × 129,840.05 - Step 4: Simplify right side
214,722.38x = 38,477,346,211.09 - Step 5: Solve for x
x = 38,477,346,211.09/214,722.38 - Step 6: Final answer
x = 179,195.79
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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.