Finding the Fourth Proportional to 200,201.88, 276,278.60 and 109,557.84
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Solution
The fourth proportional to 200,201.88, 276,278.60 and 109,557.84 is: 151,189.82
Step by Step Solution
- Step 1: Write the proportion equation
200,201.88 : 276,278.60 = 109,557.84 : x - Step 2: Convert to fraction form
200,201.88/276,278.60 = 109,557.84/x - Step 3: Cross multiply
200,201.88x = 276,278.60 × 109,557.84 - Step 4: Simplify right side
200,201.88x = 30,268,486,654.22 - Step 5: Solve for x
x = 30,268,486,654.22/200,201.88 - Step 6: Final answer
x = 151,189.82
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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.