Finding the Fourth Proportional to 133,163.12, 199,745.44 and 44,416.37
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Solution
The fourth proportional to 133,163.12, 199,745.44 and 44,416.37 is: 66,624.80
Step by Step Solution
- Step 1: Write the proportion equation
133,163.12 : 199,745.44 = 44,416.37 : x - Step 2: Convert to fraction form
133,163.12/199,745.44 = 44,416.37/x - Step 3: Cross multiply
133,163.12x = 199,745.44 × 44,416.37 - Step 4: Simplify right side
133,163.12x = 8,871,966,883.45 - Step 5: Solve for x
x = 8,871,966,883.45/133,163.12 - Step 6: Final answer
x = 66,624.80
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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.