Finding the Fourth Proportional to 489,751.97, 675,850.97 and 274,888.13
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Solution
The fourth proportional to 489,751.97, 675,850.97 and 274,888.13 is: 379,341.83
Step by Step Solution
- Step 1: Write the proportion equation
489,751.97 : 675,850.97 = 274,888.13 : x - Step 2: Convert to fraction form
489,751.97/675,850.97 = 274,888.13/x - Step 3: Cross multiply
489,751.97x = 675,850.97 × 274,888.13 - Step 4: Simplify right side
489,751.97x = 185,783,406,609.95 - Step 5: Solve for x
x = 185,783,406,609.95/489,751.97 - Step 6: Final answer
x = 379,341.83
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1.5x scale
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.