Finding the Fourth Proportional to 207,903.60, 311,394.60 and 161,004.40
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Solution
The fourth proportional to 207,903.60, 311,394.60 and 161,004.40 is: 241,149.75
Step by Step Solution
- Step 1: Write the proportion equation
207,903.60 : 311,394.60 = 161,004.40 : x - Step 2: Convert to fraction form
207,903.60/311,394.60 = 161,004.40/x - Step 3: Cross multiply
207,903.60x = 311,394.60 × 161,004.40 - Step 4: Simplify right side
207,903.60x = 50,135,900,736.24 - Step 5: Solve for x
x = 50,135,900,736.24/207,903.60 - Step 6: Final answer
x = 241,149.75
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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.