Finding the Fourth Proportional to 200,129.09, 276,175.87 and 109,484.01
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Solution
The fourth proportional to 200,129.09, 276,175.87 and 109,484.01 is: 151,086.69
Step by Step Solution
- Step 1: Write the proportion equation
200,129.09 : 276,175.87 = 109,484.01 : x - Step 2: Convert to fraction form
200,129.09/276,175.87 = 109,484.01/x - Step 3: Cross multiply
200,129.09x = 276,175.87 × 109,484.01 - Step 4: Simplify right side
200,129.09x = 30,236,841,439.13 - Step 5: Solve for x
x = 30,236,841,439.13/200,129.09 - Step 6: Final answer
x = 151,086.69
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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.