Finding the Fourth Proportional to 354,733.53, 489,543.08 and 201,793.88
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Solution
The fourth proportional to 354,733.53, 489,543.08 and 201,793.88 is: 278,481.71
Step by Step Solution
- Step 1: Write the proportion equation
354,733.53 : 489,543.08 = 201,793.88 : x - Step 2: Convert to fraction form
354,733.53/489,543.08 = 201,793.88/x - Step 3: Cross multiply
354,733.53x = 489,543.08 × 201,793.88 - Step 4: Simplify right side
354,733.53x = 98,786,797,755.24 - Step 5: Solve for x
x = 98,786,797,755.24/354,733.53 - Step 6: Final answer
x = 278,481.71
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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.