Finding the Fourth Proportional to 384,201.99, 576,708.79 and 215,866.17
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Solution
The fourth proportional to 384,201.99, 576,708.79 and 215,866.17 is: 324,027.26
Step by Step Solution
- Step 1: Write the proportion equation
384,201.99 : 576,708.79 = 215,866.17 : x - Step 2: Convert to fraction form
384,201.99/576,708.79 = 215,866.17/x - Step 3: Cross multiply
384,201.99x = 576,708.79 × 215,866.17 - Step 4: Simplify right side
384,201.99x = 124,491,914,819.09 - Step 5: Solve for x
x = 124,491,914,819.09/384,201.99 - Step 6: Final answer
x = 324,027.26
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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.