Finding the Fourth Proportional to 201,533.44, 278,086.80 and 120,943.84
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Solution
The fourth proportional to 201,533.44, 278,086.80 and 120,943.84 is: 166,884.89
Step by Step Solution
- Step 1: Write the proportion equation
201,533.44 : 278,086.80 = 120,943.84 : x - Step 2: Convert to fraction form
201,533.44/278,086.80 = 120,943.84/x - Step 3: Cross multiply
201,533.44x = 278,086.80 × 120,943.84 - Step 4: Simplify right side
201,533.44x = 33,632,885,445.31 - Step 5: Solve for x
x = 33,632,885,445.31/201,533.44 - Step 6: Final answer
x = 166,884.89
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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.