Finding the Fourth Proportional to 135,708.23, 203,463.92 and 91,224.65
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Solution
The fourth proportional to 135,708.23, 203,463.92 and 91,224.65 is: 136,770.81
Step by Step Solution
- Step 1: Write the proportion equation
135,708.23 : 203,463.92 = 91,224.65 : x - Step 2: Convert to fraction form
135,708.23/203,463.92 = 91,224.65/x - Step 3: Cross multiply
135,708.23x = 203,463.92 × 91,224.65 - Step 4: Simplify right side
135,708.23x = 18,560,924,100.37 - Step 5: Solve for x
x = 18,560,924,100.37/135,708.23 - Step 6: Final answer
x = 136,770.81
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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.