Finding the Fourth Proportional to 266,514.91, 367,552.49 and 221,120.99
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Solution
The fourth proportional to 266,514.91, 367,552.49 and 221,120.99 is: 304,949.43
Step by Step Solution
- Step 1: Write the proportion equation
266,514.91 : 367,552.49 = 221,120.99 : x - Step 2: Convert to fraction form
266,514.91/367,552.49 = 221,120.99/x - Step 3: Cross multiply
266,514.91x = 367,552.49 × 221,120.99 - Step 4: Simplify right side
266,514.91x = 81,273,568,900.72 - Step 5: Solve for x
x = 81,273,568,900.72/266,514.91 - Step 6: Final answer
x = 304,949.43
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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.