Finding the Fourth Proportional to 338,664.95, 467,378.60 and 187,761.95
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Solution
The fourth proportional to 338,664.95, 467,378.60 and 187,761.95 is: 259,123.12
Step by Step Solution
- Step 1: Write the proportion equation
338,664.95 : 467,378.60 = 187,761.95 : x - Step 2: Convert to fraction form
338,664.95/467,378.60 = 187,761.95/x - Step 3: Cross multiply
338,664.95x = 467,378.60 × 187,761.95 - Step 4: Simplify right side
338,664.95x = 87,755,917,553.91 - Step 5: Solve for x
x = 87,755,917,553.91/338,664.95 - Step 6: Final answer
x = 259,123.12
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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.