Finding the Fourth Proportional to 338,074.97, 466,542.38 and 187,171.97
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Solution
The fourth proportional to 338,074.97, 466,542.38 and 187,171.97 is: 258,296.72
Step by Step Solution
- Step 1: Write the proportion equation
338,074.97 : 466,542.38 = 187,171.97 : x - Step 2: Convert to fraction form
338,074.97/466,542.38 = 187,171.97/x - Step 3: Cross multiply
338,074.97x = 466,542.38 × 187,171.97 - Step 4: Simplify right side
338,074.97x = 87,323,654,488.31 - Step 5: Solve for x
x = 87,323,654,488.31/338,074.97 - Step 6: Final answer
x = 258,296.72
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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.