Finding the Fourth Proportional to 128,733.06, 193,052.19 and 44,471.60
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Solution
The fourth proportional to 128,733.06, 193,052.19 and 44,471.60 is: 66,691.02
Step by Step Solution
- Step 1: Write the proportion equation
128,733.06 : 193,052.19 = 44,471.60 : x - Step 2: Convert to fraction form
128,733.06/193,052.19 = 44,471.60/x - Step 3: Cross multiply
128,733.06x = 193,052.19 × 44,471.60 - Step 4: Simplify right side
128,733.06x = 8,585,339,698.26 - Step 5: Solve for x
x = 8,585,339,698.26/128,733.06 - Step 6: Final answer
x = 66,691.02
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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.