Finding the Fourth Proportional to 214,940.26, 321,916.05 and 124,759.63
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Solution
The fourth proportional to 214,940.26, 321,916.05 and 124,759.63 is: 186,852.50
Step by Step Solution
- Step 1: Write the proportion equation
214,940.26 : 321,916.05 = 124,759.63 : x - Step 2: Convert to fraction form
214,940.26/321,916.05 = 124,759.63/x - Step 3: Cross multiply
214,940.26x = 321,916.05 × 124,759.63 - Step 4: Simplify right side
214,940.26x = 40,162,125,211.63 - Step 5: Solve for x
x = 40,162,125,211.63/214,940.26 - Step 6: Final answer
x = 186,852.50
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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.