Finding the Fourth Proportional to 325,850.20, 489,212.70 and 208,043.80
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Solution
The fourth proportional to 325,850.20, 489,212.70 and 208,043.80 is: 312,344.96
Step by Step Solution
- Step 1: Write the proportion equation
325,850.20 : 489,212.70 = 208,043.80 : x - Step 2: Convert to fraction form
325,850.20/489,212.70 = 208,043.80/x - Step 3: Cross multiply
325,850.20x = 489,212.70 × 208,043.80 - Step 4: Simplify right side
325,850.20x = 101,777,669,116.26 - Step 5: Solve for x
x = 101,777,669,116.26/325,850.20 - Step 6: Final answer
x = 312,344.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.