Finding the Fourth Proportional to 218,629.53, 301,709.37 and 126,766.62
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Solution
The fourth proportional to 218,629.53, 301,709.37 and 126,766.62 is: 174,938.29
Step by Step Solution
- Step 1: Write the proportion equation
218,629.53 : 301,709.37 = 126,766.62 : x - Step 2: Convert to fraction form
218,629.53/301,709.37 = 126,766.62/x - Step 3: Cross multiply
218,629.53x = 301,709.37 × 126,766.62 - Step 4: Simplify right side
218,629.53x = 38,246,677,057.23 - Step 5: Solve for x
x = 38,246,677,057.23/218,629.53 - Step 6: Final answer
x = 174,938.29
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1.5x scale
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.