Finding the Fourth Proportional to 489,755.93, 675,811.32 and 274,919.63
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Solution
The fourth proportional to 489,755.93, 675,811.32 and 274,919.63 is: 379,359.98
Step by Step Solution
- Step 1: Write the proportion equation
489,755.93 : 675,811.32 = 274,919.63 : x - Step 2: Convert to fraction form
489,755.93/675,811.32 = 274,919.63/x - Step 3: Cross multiply
489,755.93x = 675,811.32 × 274,919.63 - Step 4: Simplify right side
489,755.93x = 185,793,798,044.21 - Step 5: Solve for x
x = 185,793,798,044.21/489,755.93 - Step 6: Final answer
x = 379,359.98
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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.