Finding the Fourth Proportional to 128,469.96, 192,573.36 and 44,204.76
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Solution
The fourth proportional to 128,469.96, 192,573.36 and 44,204.76 is: 66,261.87
Step by Step Solution
- Step 1: Write the proportion equation
128,469.96 : 192,573.36 = 44,204.76 : x - Step 2: Convert to fraction form
128,469.96/192,573.36 = 44,204.76/x - Step 3: Cross multiply
128,469.96x = 192,573.36 × 44,204.76 - Step 4: Simplify right side
128,469.96x = 8,512,659,161.19 - Step 5: Solve for x
x = 8,512,659,161.19/128,469.96 - Step 6: Final answer
x = 66,261.87
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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.