Finding the Fourth Proportional to 338,718.97, 467,453.19 and 187,815.97
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Solution
The fourth proportional to 338,718.97, 467,453.19 and 187,815.97 is: 259,197.69
Step by Step Solution
- Step 1: Write the proportion equation
338,718.97 : 467,453.19 = 187,815.97 : x - Step 2: Convert to fraction form
338,718.97/467,453.19 = 187,815.97/x - Step 3: Cross multiply
338,718.97x = 467,453.19 × 187,815.97 - Step 4: Simplify right side
338,718.97x = 87,795,174,309.44 - Step 5: Solve for x
x = 87,795,174,309.44/338,718.97 - Step 6: Final answer
x = 259,197.69
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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.