Finding the Fourth Proportional to 128,363.62, 192,568.38 and 44,102.02
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Solution
The fourth proportional to 128,363.62, 192,568.38 and 44,102.02 is: 66,160.91
Step by Step Solution
- Step 1: Write the proportion equation
128,363.62 : 192,568.38 = 44,102.02 : x - Step 2: Convert to fraction form
128,363.62/192,568.38 = 44,102.02/x - Step 3: Cross multiply
128,363.62x = 192,568.38 × 44,102.02 - Step 4: Simplify right side
128,363.62x = 8,492,654,546.13 - Step 5: Solve for x
x = 8,492,654,546.13/128,363.62 - Step 6: Final answer
x = 66,160.91
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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.