Finding the Fourth Proportional to 203,873.09, 306,308.07 and 192,542.81
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Solution
The fourth proportional to 203,873.09, 306,308.07 and 192,542.81 is: 289,284.95
Step by Step Solution
- Step 1: Write the proportion equation
203,873.09 : 306,308.07 = 192,542.81 : x - Step 2: Convert to fraction form
203,873.09/306,308.07 = 192,542.81/x - Step 3: Cross multiply
203,873.09x = 306,308.07 × 192,542.81 - Step 4: Simplify right side
203,873.09x = 58,977,416,523.48 - Step 5: Solve for x
x = 58,977,416,523.48/203,873.09 - Step 6: Final answer
x = 289,284.95
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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.