Finding the Fourth Proportional to 200,629.62, 276,860.91 and 120,009.09
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Solution
The fourth proportional to 200,629.62, 276,860.91 and 120,009.09 is: 165,607.78
Step by Step Solution
- Step 1: Write the proportion equation
200,629.62 : 276,860.91 = 120,009.09 : x - Step 2: Convert to fraction form
200,629.62/276,860.91 = 120,009.09/x - Step 3: Cross multiply
200,629.62x = 276,860.91 × 120,009.09 - Step 4: Simplify right side
200,629.62x = 33,225,825,865.67 - Step 5: Solve for x
x = 33,225,825,865.67/200,629.62 - Step 6: Final answer
x = 165,607.78
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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.