Finding the Fourth Proportional to 675,433.22, 1,013,149.63 and 254,610.68
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Solution
The fourth proportional to 675,433.22, 1,013,149.63 and 254,610.68 is: 381,915.94
Step by Step Solution
- Step 1: Write the proportion equation
675,433.22 : 1,013,149.63 = 254,610.68 : x - Step 2: Convert to fraction form
675,433.22/1,013,149.63 = 254,610.68/x - Step 3: Cross multiply
675,433.22x = 1,013,149.63 × 254,610.68 - Step 4: Simplify right side
675,433.22x = 257,958,716,236.05 - Step 5: Solve for x
x = 257,958,716,236.05/675,433.22 - Step 6: Final answer
x = 381,915.94
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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.