Finding the Fourth Proportional to 442,636.70, 663,163.05 and 269,212.70
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Solution
The fourth proportional to 442,636.70, 663,163.05 and 269,212.70 is: 403,337.35
Step by Step Solution
- Step 1: Write the proportion equation
442,636.70 : 663,163.05 = 269,212.70 : x - Step 2: Convert to fraction form
442,636.70/663,163.05 = 269,212.70/x - Step 3: Cross multiply
442,636.70x = 663,163.05 × 269,212.70 - Step 4: Simplify right side
442,636.70x = 178,531,915,230.74 - Step 5: Solve for x
x = 178,531,915,230.74/442,636.70 - Step 6: Final answer
x = 403,337.35
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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.