Finding the Fourth Proportional to 146,636.75, 202,358.85 and 79,568.75
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Solution
The fourth proportional to 146,636.75, 202,358.85 and 79,568.75 is: 109,804.95
Step by Step Solution
- Step 1: Write the proportion equation
146,636.75 : 202,358.85 = 79,568.75 : x - Step 2: Convert to fraction form
146,636.75/202,358.85 = 79,568.75/x - Step 3: Cross multiply
146,636.75x = 202,358.85 × 79,568.75 - Step 4: Simplify right side
146,636.75x = 16,101,440,745.94 - Step 5: Solve for x
x = 16,101,440,745.94/146,636.75 - Step 6: Final answer
x = 109,804.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.