Finding the Fourth Proportional to 675,431.22, 1,013,146.63 and 254,608.68
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Solution
The fourth proportional to 675,431.22, 1,013,146.63 and 254,608.68 is: 381,912.94
Step by Step Solution
- Step 1: Write the proportion equation
675,431.22 : 1,013,146.63 = 254,608.68 : x - Step 2: Convert to fraction form
675,431.22/1,013,146.63 = 254,608.68/x - Step 3: Cross multiply
675,431.22x = 1,013,146.63 × 254,608.68 - Step 4: Simplify right side
675,431.22x = 257,955,925,474.23 - Step 5: Solve for x
x = 257,955,925,474.23/675,431.22 - Step 6: Final answer
x = 381,912.94
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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.