Finding the Fourth Proportional to 352,514.25, 486,418.33 and 201,582.09
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Solution
The fourth proportional to 352,514.25, 486,418.33 and 201,582.09 is: 278,153.92
Step by Step Solution
- Step 1: Write the proportion equation
352,514.25 : 486,418.33 = 201,582.09 : x - Step 2: Convert to fraction form
352,514.25/486,418.33 = 201,582.09/x - Step 3: Cross multiply
352,514.25x = 486,418.33 × 201,582.09 - Step 4: Simplify right side
352,514.25x = 98,053,220,135.71 - Step 5: Solve for x
x = 98,053,220,135.71/352,514.25 - Step 6: Final answer
x = 278,153.92
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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.