Finding the Fourth Proportional to 162,775.70, 244,163.55 and 84,043.70
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Solution
The fourth proportional to 162,775.70, 244,163.55 and 84,043.70 is: 126,065.55
Step by Step Solution
- Step 1: Write the proportion equation
162,775.70 : 244,163.55 = 84,043.70 : x - Step 2: Convert to fraction form
162,775.70/244,163.55 = 84,043.70/x - Step 3: Cross multiply
162,775.70x = 244,163.55 × 84,043.70 - Step 4: Simplify right side
162,775.70x = 20,520,408,147.14 - Step 5: Solve for x
x = 20,520,408,147.14/162,775.70 - Step 6: Final answer
x = 126,065.55
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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.