Finding the Fourth Proportional to 311,551.26, 429,658.47 and 204,082.08
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Solution
The fourth proportional to 311,551.26, 429,658.47 and 204,082.08 is: 281,448.37
Step by Step Solution
- Step 1: Write the proportion equation
311,551.26 : 429,658.47 = 204,082.08 : x - Step 2: Convert to fraction form
311,551.26/429,658.47 = 204,082.08/x - Step 3: Cross multiply
311,551.26x = 429,658.47 × 204,082.08 - Step 4: Simplify right side
311,551.26x = 87,685,594,247.22 - Step 5: Solve for x
x = 87,685,594,247.22/311,551.26 - Step 6: Final answer
x = 281,448.37
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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.