Finding the Fourth Proportional to 303,693.08, 419,099.58 and 167,730.40
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Solution
The fourth proportional to 303,693.08, 419,099.58 and 167,730.40 is: 231,469.68
Step by Step Solution
- Step 1: Write the proportion equation
303,693.08 : 419,099.58 = 167,730.40 : x - Step 2: Convert to fraction form
303,693.08/419,099.58 = 167,730.40/x - Step 3: Cross multiply
303,693.08x = 419,099.58 × 167,730.40 - Step 4: Simplify right side
303,693.08x = 70,295,740,193.23 - Step 5: Solve for x
x = 70,295,740,193.23/303,693.08 - Step 6: Final answer
x = 231,469.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.