Finding the Fourth Proportional to 231,769.68, 347,708.76 and 71,837.26
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Solution
The fourth proportional to 231,769.68, 347,708.76 and 71,837.26 is: 107,772.70
Step by Step Solution
- Step 1: Write the proportion equation
231,769.68 : 347,708.76 = 71,837.26 : x - Step 2: Convert to fraction form
231,769.68/347,708.76 = 71,837.26/x - Step 3: Cross multiply
231,769.68x = 347,708.76 × 71,837.26 - Step 4: Simplify right side
231,769.68x = 24,978,444,596.40 - Step 5: Solve for x
x = 24,978,444,596.40/231,769.68 - Step 6: Final answer
x = 107,772.70
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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.