Finding the Fourth Proportional to 204,450.51, 306,806.99 and 99,212.07
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Solution
The fourth proportional to 204,450.51, 306,806.99 and 99,212.07 is: 148,881.78
Step by Step Solution
- Step 1: Write the proportion equation
204,450.51 : 306,806.99 = 99,212.07 : x - Step 2: Convert to fraction form
204,450.51/306,806.99 = 99,212.07/x - Step 3: Cross multiply
204,450.51x = 306,806.99 × 99,212.07 - Step 4: Simplify right side
204,450.51x = 30,438,956,072.31 - Step 5: Solve for x
x = 30,438,956,072.31/204,450.51 - Step 6: Final answer
x = 148,881.78
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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.