Finding the Fourth Proportional to 190,703.81, 263,183.08 and 126,060.92
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Solution
The fourth proportional to 190,703.81, 263,183.08 and 126,060.92 is: 173,971.88
Step by Step Solution
- Step 1: Write the proportion equation
190,703.81 : 263,183.08 = 126,060.92 : x - Step 2: Convert to fraction form
190,703.81/263,183.08 = 126,060.92/x - Step 3: Cross multiply
190,703.81x = 263,183.08 × 126,060.92 - Step 4: Simplify right side
190,703.81x = 33,177,101,193.23 - Step 5: Solve for x
x = 33,177,101,193.23/190,703.81 - Step 6: Final answer
x = 173,971.88
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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.