Finding the Fourth Proportional to 354,769.95, 489,584.27 and 193,628.75
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Solution
The fourth proportional to 354,769.95, 489,584.27 and 193,628.75 is: 267,208.62
Step by Step Solution
- Step 1: Write the proportion equation
354,769.95 : 489,584.27 = 193,628.75 : x - Step 2: Convert to fraction form
354,769.95/489,584.27 = 193,628.75/x - Step 3: Cross multiply
354,769.95x = 489,584.27 × 193,628.75 - Step 4: Simplify right side
354,769.95x = 94,797,589,251.62 - Step 5: Solve for x
x = 94,797,589,251.62/354,769.95 - Step 6: Final answer
x = 267,208.62
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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.