Finding the Fourth Proportional to 352,744.38, 486,799.61 and 199,786.95
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Solution
The fourth proportional to 352,744.38, 486,799.61 and 199,786.95 is: 275,712.99
Step by Step Solution
- Step 1: Write the proportion equation
352,744.38 : 486,799.61 = 199,786.95 : x - Step 2: Convert to fraction form
352,744.38/486,799.61 = 199,786.95/x - Step 3: Cross multiply
352,744.38x = 486,799.61 × 199,786.95 - Step 4: Simplify right side
352,744.38x = 97,256,208,344.15 - Step 5: Solve for x
x = 97,256,208,344.15/352,744.38 - Step 6: Final answer
x = 275,712.99
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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.