Finding the Fourth Proportional to 226,176.40, 338,747.88 and 107,930.80
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Solution
The fourth proportional to 226,176.40, 338,747.88 and 107,930.80 is: 161,649.62
Step by Step Solution
- Step 1: Write the proportion equation
226,176.40 : 338,747.88 = 107,930.80 : x - Step 2: Convert to fraction form
226,176.40/338,747.88 = 107,930.80/x - Step 3: Cross multiply
226,176.40x = 338,747.88 × 107,930.80 - Step 4: Simplify right side
226,176.40x = 36,561,329,686.70 - Step 5: Solve for x
x = 36,561,329,686.70/226,176.40 - Step 6: Final answer
x = 161,649.62
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1.5x scale
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.