Finding the Fourth Proportional to 341,418.22, 512,182.96 and 128,202.64
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Solution
The fourth proportional to 341,418.22, 512,182.96 and 128,202.64 is: 192,324.85
Step by Step Solution
- Step 1: Write the proportion equation
341,418.22 : 512,182.96 = 128,202.64 : x - Step 2: Convert to fraction form
341,418.22/512,182.96 = 128,202.64/x - Step 3: Cross multiply
341,418.22x = 512,182.96 × 128,202.64 - Step 4: Simplify right side
341,418.22x = 65,663,206,034.05 - Step 5: Solve for x
x = 65,663,206,034.05/341,418.22 - Step 6: Final answer
x = 192,324.85
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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.