Finding the Fourth Proportional to 135,464.48, 203,122.65 and 107,563.76
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Solution
The fourth proportional to 135,464.48, 203,122.65 and 107,563.76 is: 161,286.83
Step by Step Solution
- Step 1: Write the proportion equation
135,464.48 : 203,122.65 = 107,563.76 : x - Step 2: Convert to fraction form
135,464.48/203,122.65 = 107,563.76/x - Step 3: Cross multiply
135,464.48x = 203,122.65 × 107,563.76 - Step 4: Simplify right side
135,464.48x = 21,848,635,975.16 - Step 5: Solve for x
x = 21,848,635,975.16/135,464.48 - Step 6: Final answer
x = 161,286.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.