Finding the Fourth Proportional to 128,504.50, 192,768.90 and 44,261.26
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Solution
The fourth proportional to 128,504.50, 192,768.90 and 44,261.26 is: 66,396.07
Step by Step Solution
- Step 1: Write the proportion equation
128,504.50 : 192,768.90 = 44,261.26 : x - Step 2: Convert to fraction form
128,504.50/192,768.90 = 44,261.26/x - Step 3: Cross multiply
128,504.50x = 192,768.90 × 44,261.26 - Step 4: Simplify right side
128,504.50x = 8,532,194,402.81 - Step 5: Solve for x
x = 8,532,194,402.81/128,504.50 - Step 6: Final answer
x = 66,396.07
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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.