Finding the Fourth Proportional to 354,951.91, 489,829.91 and 193,806.46
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Solution
The fourth proportional to 354,951.91, 489,829.91 and 193,806.46 is: 267,450.88
Step by Step Solution
- Step 1: Write the proportion equation
354,951.91 : 489,829.91 = 193,806.46 : x - Step 2: Convert to fraction form
354,951.91/489,829.91 = 193,806.46/x - Step 3: Cross multiply
354,951.91x = 489,829.91 × 193,806.46 - Step 4: Simplify right side
354,951.91x = 94,932,200,859.22 - Step 5: Solve for x
x = 94,932,200,859.22/354,951.91 - Step 6: Final answer
x = 267,450.88
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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.