Finding the Fourth Proportional to 213,385.92, 294,379.56 and 122,722.08
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Solution
The fourth proportional to 213,385.92, 294,379.56 and 122,722.08 is: 169,302.98
Step by Step Solution
- Step 1: Write the proportion equation
213,385.92 : 294,379.56 = 122,722.08 : x - Step 2: Convert to fraction form
213,385.92/294,379.56 = 122,722.08/x - Step 3: Cross multiply
213,385.92x = 294,379.56 × 122,722.08 - Step 4: Simplify right side
213,385.92x = 36,126,871,912.68 - Step 5: Solve for x
x = 36,126,871,912.68/213,385.92 - Step 6: Final answer
x = 169,302.98
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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.