Finding the Fourth Proportional to 135,463.98, 203,121.90 and 107,563.26
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Solution
The fourth proportional to 135,463.98, 203,121.90 and 107,563.26 is: 161,286.08
Step by Step Solution
- Step 1: Write the proportion equation
135,463.98 : 203,121.90 = 107,563.26 : x - Step 2: Convert to fraction form
135,463.98/203,121.90 = 107,563.26/x - Step 3: Cross multiply
135,463.98x = 203,121.90 × 107,563.26 - Step 4: Simplify right side
135,463.98x = 21,848,453,741.39 - Step 5: Solve for x
x = 21,848,453,741.39/135,463.98 - Step 6: Final answer
x = 161,286.08
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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.