Finding the Fourth Proportional to 757,162.68, 1,135,411.50 and 283,515.88
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Solution
The fourth proportional to 757,162.68, 1,135,411.50 and 283,515.88 is: 425,149.31
Step by Step Solution
- Step 1: Write the proportion equation
757,162.68 : 1,135,411.50 = 283,515.88 : x - Step 2: Convert to fraction form
757,162.68/1,135,411.50 = 283,515.88/x - Step 3: Cross multiply
757,162.68x = 1,135,411.50 × 283,515.88 - Step 4: Simplify right side
757,162.68x = 321,907,190,584.62 - Step 5: Solve for x
x = 321,907,190,584.62/757,162.68 - Step 6: Final answer
x = 425,149.31
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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.