Finding the Fourth Proportional to 352,682.82, 486,732.36 and 199,747.80
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Solution
The fourth proportional to 352,682.82, 486,732.36 and 199,747.80 is: 275,668.99
Step by Step Solution
- Step 1: Write the proportion equation
352,682.82 : 486,732.36 = 199,747.80 : x - Step 2: Convert to fraction form
352,682.82/486,732.36 = 199,747.80/x - Step 3: Cross multiply
352,682.82x = 486,732.36 × 199,747.80 - Step 4: Simplify right side
352,682.82x = 97,223,718,098.81 - Step 5: Solve for x
x = 97,223,718,098.81/352,682.82 - Step 6: Final answer
x = 275,668.99
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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.