Finding the Fourth Proportional to 213,226.91, 294,245.41 and 117,731.56
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Solution
The fourth proportional to 213,226.91, 294,245.41 and 117,731.56 is: 162,465.28
Step by Step Solution
- Step 1: Write the proportion equation
213,226.91 : 294,245.41 = 117,731.56 : x - Step 2: Convert to fraction form
213,226.91/294,245.41 = 117,731.56/x - Step 3: Cross multiply
213,226.91x = 294,245.41 × 117,731.56 - Step 4: Simplify right side
213,226.91x = 34,641,969,082.25 - Step 5: Solve for x
x = 34,641,969,082.25/213,226.91 - Step 6: Final answer
x = 162,465.28
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1.5x scale
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.