Finding the Fourth Proportional to 227,431.20, 313,851.16 and 125,466.42
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Solution
The fourth proportional to 227,431.20, 313,851.16 and 125,466.42 is: 173,141.52
Step by Step Solution
- Step 1: Write the proportion equation
227,431.20 : 313,851.16 = 125,466.42 : x - Step 2: Convert to fraction form
227,431.20/313,851.16 = 125,466.42/x - Step 3: Cross multiply
227,431.20x = 313,851.16 × 125,466.42 - Step 4: Simplify right side
227,431.20x = 39,377,782,703.73 - Step 5: Solve for x
x = 39,377,782,703.73/227,431.20 - Step 6: Final answer
x = 173,141.52
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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.