Finding the Fourth Proportional to 274,920.20, 412,453.20 and 97,408.70
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Solution
The fourth proportional to 274,920.20, 412,453.20 and 97,408.70 is: 146,138.88
Step by Step Solution
- Step 1: Write the proportion equation
274,920.20 : 412,453.20 = 97,408.70 : x - Step 2: Convert to fraction form
274,920.20/412,453.20 = 97,408.70/x - Step 3: Cross multiply
274,920.20x = 412,453.20 × 97,408.70 - Step 4: Simplify right side
274,920.20x = 40,176,530,022.84 - Step 5: Solve for x
x = 40,176,530,022.84/274,920.20 - Step 6: Final answer
x = 146,138.88
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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.