Finding the Fourth Proportional to 166,920.21, 250,205.36 and 61,672.05
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Solution
The fourth proportional to 166,920.21, 250,205.36 and 61,672.05 is: 92,443.43
Step by Step Solution
- Step 1: Write the proportion equation
166,920.21 : 250,205.36 = 61,672.05 : x - Step 2: Convert to fraction form
166,920.21/250,205.36 = 61,672.05/x - Step 3: Cross multiply
166,920.21x = 250,205.36 × 61,672.05 - Step 4: Simplify right side
166,920.21x = 15,430,677,163.83 - Step 5: Solve for x
x = 15,430,677,163.83/166,920.21 - Step 6: Final answer
x = 92,443.43
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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.