Finding the Fourth Proportional to 213,241.05, 294,289.92 and 122,626.44
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Solution
The fourth proportional to 213,241.05, 294,289.92 and 122,626.44 is: 169,234.42
Step by Step Solution
- Step 1: Write the proportion equation
213,241.05 : 294,289.92 = 122,626.44 : x - Step 2: Convert to fraction form
213,241.05/294,289.92 = 122,626.44/x - Step 3: Cross multiply
213,241.05x = 294,289.92 × 122,626.44 - Step 4: Simplify right side
213,241.05x = 36,087,725,217.48 - Step 5: Solve for x
x = 36,087,725,217.48/213,241.05 - Step 6: Final answer
x = 169,234.42
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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.