Finding the Fourth Proportional to 489,761.95, 675,824.82 and 274,852.75
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Solution
The fourth proportional to 489,761.95, 675,824.82 and 274,852.75 is: 379,270.60
Step by Step Solution
- Step 1: Write the proportion equation
489,761.95 : 675,824.82 = 274,852.75 : x - Step 2: Convert to fraction form
489,761.95/675,824.82 = 274,852.75/x - Step 3: Cross multiply
489,761.95x = 675,824.82 × 274,852.75 - Step 4: Simplify right side
489,761.95x = 185,752,310,295.26 - Step 5: Solve for x
x = 185,752,310,295.26/489,761.95 - Step 6: Final answer
x = 379,270.60
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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.