Finding the Fourth Proportional to 260,975.76, 391,183.80 and 170,984.49
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Solution
The fourth proportional to 260,975.76, 391,183.80 and 170,984.49 is: 256,293.39
Step by Step Solution
- Step 1: Write the proportion equation
260,975.76 : 391,183.80 = 170,984.49 : x - Step 2: Convert to fraction form
260,975.76/391,183.80 = 170,984.49/x - Step 3: Cross multiply
260,975.76x = 391,183.80 × 170,984.49 - Step 4: Simplify right side
260,975.76x = 66,886,362,539.26 - Step 5: Solve for x
x = 66,886,362,539.26/260,975.76 - Step 6: Final answer
x = 256,293.39
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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.