Finding the Fourth Proportional to 204,640.56, 306,946.58 and 76,532.45
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Solution
The fourth proportional to 204,640.56, 306,946.58 and 76,532.45 is: 114,793.33
Step by Step Solution
- Step 1: Write the proportion equation
204,640.56 : 306,946.58 = 76,532.45 : x - Step 2: Convert to fraction form
204,640.56/306,946.58 = 76,532.45/x - Step 3: Cross multiply
204,640.56x = 306,946.58 × 76,532.45 - Step 4: Simplify right side
204,640.56x = 23,491,371,869.13 - Step 5: Solve for x
x = 23,491,371,869.13/204,640.56 - Step 6: Final answer
x = 114,793.33
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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.