Finding the Fourth Proportional to 211,452.24, 317,147.49 and 61,652.28
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Solution
The fourth proportional to 211,452.24, 317,147.49 and 61,652.28 is: 92,469.42
Step by Step Solution
- Step 1: Write the proportion equation
211,452.24 : 317,147.49 = 61,652.28 : x - Step 2: Convert to fraction form
211,452.24/317,147.49 = 61,652.28/x - Step 3: Cross multiply
211,452.24x = 317,147.49 × 61,652.28 - Step 4: Simplify right side
211,452.24x = 19,552,865,854.78 - Step 5: Solve for x
x = 19,552,865,854.78/211,452.24 - Step 6: Final answer
x = 92,469.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.