Finding the Fourth Proportional to 308,735.84, 463,121.68 and 119,197.12
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Solution
The fourth proportional to 308,735.84, 463,121.68 and 119,197.12 is: 178,802.60
Step by Step Solution
- Step 1: Write the proportion equation
308,735.84 : 463,121.68 = 119,197.12 : x - Step 2: Convert to fraction form
308,735.84/463,121.68 = 119,197.12/x - Step 3: Cross multiply
308,735.84x = 463,121.68 × 119,197.12 - Step 4: Simplify right side
308,735.84x = 55,202,770,465.56 - Step 5: Solve for x
x = 55,202,770,465.56/308,735.84 - Step 6: Final answer
x = 178,802.60
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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.