Finding the Fourth Proportional to 122,469.75, 183,704.76 and 48,597.75
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Solution
The fourth proportional to 122,469.75, 183,704.76 and 48,597.75 is: 72,896.68
Step by Step Solution
- Step 1: Write the proportion equation
122,469.75 : 183,704.76 = 48,597.75 : x - Step 2: Convert to fraction form
122,469.75/183,704.76 = 48,597.75/x - Step 3: Cross multiply
122,469.75x = 183,704.76 × 48,597.75 - Step 4: Simplify right side
122,469.75x = 8,927,638,000.29 - Step 5: Solve for x
x = 8,927,638,000.29/122,469.75 - Step 6: Final answer
x = 72,896.68
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1.5x scale
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.