Finding the Fourth Proportional to 203,516.29, 305,289.02 and 53,755.09
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Solution
The fourth proportional to 203,516.29, 305,289.02 and 53,755.09 is: 80,636.49
Step by Step Solution
- Step 1: Write the proportion equation
203,516.29 : 305,289.02 = 53,755.09 : x - Step 2: Convert to fraction form
203,516.29/305,289.02 = 53,755.09/x - Step 3: Cross multiply
203,516.29x = 305,289.02 × 53,755.09 - Step 4: Simplify right side
203,516.29x = 16,410,838,746.11 - Step 5: Solve for x
x = 16,410,838,746.11/203,516.29 - Step 6: Final answer
x = 80,636.49
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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.