Finding the Fourth Proportional to 200,395.81, 276,546.22 and 109,751.99
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Solution
The fourth proportional to 200,395.81, 276,546.22 and 109,751.99 is: 151,457.75
Step by Step Solution
- Step 1: Write the proportion equation
200,395.81 : 276,546.22 = 109,751.99 : x - Step 2: Convert to fraction form
200,395.81/276,546.22 = 109,751.99/x - Step 3: Cross multiply
200,395.81x = 276,546.22 × 109,751.99 - Step 4: Simplify right side
200,395.81x = 30,351,497,971.98 - Step 5: Solve for x
x = 30,351,497,971.98/200,395.81 - Step 6: Final answer
x = 151,457.75
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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.