Finding the Fourth Proportional to 200,211.99, 300,321.74 and 93,566.68
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Solution
The fourth proportional to 200,211.99, 300,321.74 and 93,566.68 is: 140,351.77
Step by Step Solution
- Step 1: Write the proportion equation
200,211.99 : 300,321.74 = 93,566.68 : x - Step 2: Convert to fraction form
200,211.99/300,321.74 = 93,566.68/x - Step 3: Cross multiply
200,211.99x = 300,321.74 × 93,566.68 - Step 4: Simplify right side
200,211.99x = 28,100,107,626.74 - Step 5: Solve for x
x = 28,100,107,626.74/200,211.99 - Step 6: Final answer
x = 140,351.77
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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.