Finding the Fourth Proportional to 213,269.10, 294,310.97 and 122,642.56
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Solution
The fourth proportional to 213,269.10, 294,310.97 and 122,642.56 is: 169,246.50
Step by Step Solution
- Step 1: Write the proportion equation
213,269.10 : 294,310.97 = 122,642.56 : x - Step 2: Convert to fraction form
213,269.10/294,310.97 = 122,642.56/x - Step 3: Cross multiply
213,269.10x = 294,310.97 × 122,642.56 - Step 4: Simplify right side
213,269.10x = 36,095,049,355.97 - Step 5: Solve for x
x = 36,095,049,355.97/213,269.10 - Step 6: Final answer
x = 169,246.50
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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.