Finding the Fourth Proportional to 354,958.05, 489,861.95 and 193,828.05
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Solution
The fourth proportional to 354,958.05, 489,861.95 and 193,828.05 is: 267,493.54
Step by Step Solution
- Step 1: Write the proportion equation
354,958.05 : 489,861.95 = 193,828.05 : x - Step 2: Convert to fraction form
354,958.05/489,861.95 = 193,828.05/x - Step 3: Cross multiply
354,958.05x = 489,861.95 × 193,828.05 - Step 4: Simplify right side
354,958.05x = 94,948,985,568.56 - Step 5: Solve for x
x = 94,948,985,568.56/354,958.05 - Step 6: Final answer
x = 267,493.54
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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.