Finding the Fourth Proportional to 324,475.26, 486,740.66 and 84,621.06
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Solution
The fourth proportional to 324,475.26, 486,740.66 and 84,621.06 is: 126,938.83
Step by Step Solution
- Step 1: Write the proportion equation
324,475.26 : 486,740.66 = 84,621.06 : x - Step 2: Convert to fraction form
324,475.26/486,740.66 = 84,621.06/x - Step 3: Cross multiply
324,475.26x = 486,740.66 × 84,621.06 - Step 4: Simplify right side
324,475.26x = 41,188,510,594.30 - Step 5: Solve for x
x = 41,188,510,594.30/324,475.26 - Step 6: Final answer
x = 126,938.83
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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.