Finding the Fourth Proportional to 203,693.55, 305,505.09 and 53,935.99
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Solution
The fourth proportional to 203,693.55, 305,505.09 and 53,935.99 is: 80,894.66
Step by Step Solution
- Step 1: Write the proportion equation
203,693.55 : 305,505.09 = 53,935.99 : x - Step 2: Convert to fraction form
203,693.55/305,505.09 = 53,935.99/x - Step 3: Cross multiply
203,693.55x = 305,505.09 × 53,935.99 - Step 4: Simplify right side
203,693.55x = 16,477,720,585.59 - Step 5: Solve for x
x = 16,477,720,585.59/203,693.55 - Step 6: Final answer
x = 80,894.66
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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.