Finding the Fourth Proportional to 200,664.74, 300,993.67 and 67,544.99
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Solution
The fourth proportional to 200,664.74, 300,993.67 and 67,544.99 is: 101,316.32
Step by Step Solution
- Step 1: Write the proportion equation
200,664.74 : 300,993.67 = 67,544.99 : x - Step 2: Convert to fraction form
200,664.74/300,993.67 = 67,544.99/x - Step 3: Cross multiply
200,664.74x = 300,993.67 × 67,544.99 - Step 4: Simplify right side
200,664.74x = 20,330,614,138.40 - Step 5: Solve for x
x = 20,330,614,138.40/200,664.74 - Step 6: Final answer
x = 101,316.32
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1.5x scale
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.