Finding the Fourth Proportional to 200,394.81, 276,544.84 and 109,750.99
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Solution
The fourth proportional to 200,394.81, 276,544.84 and 109,750.99 is: 151,456.36
Step by Step Solution
- Step 1: Write the proportion equation
200,394.81 : 276,544.84 = 109,750.99 : x - Step 2: Convert to fraction form
200,394.81/276,544.84 = 109,750.99/x - Step 3: Cross multiply
200,394.81x = 276,544.84 × 109,750.99 - Step 4: Simplify right side
200,394.81x = 30,351,070,040.70 - Step 5: Solve for x
x = 30,351,070,040.70/200,394.81 - Step 6: Final answer
x = 151,456.36
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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.