Finding the Fourth Proportional to 203,989.87, 305,984.29 and 54,230.10
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Solution
The fourth proportional to 203,989.87, 305,984.29 and 54,230.10 is: 81,345.01
Step by Step Solution
- Step 1: Write the proportion equation
203,989.87 : 305,984.29 = 54,230.10 : x - Step 2: Convert to fraction form
203,989.87/305,984.29 = 54,230.10/x - Step 3: Cross multiply
203,989.87x = 305,984.29 × 54,230.10 - Step 4: Simplify right side
203,989.87x = 16,593,558,645.13 - Step 5: Solve for x
x = 16,593,558,645.13/203,989.87 - Step 6: Final answer
x = 81,345.01
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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.