Finding the Fourth Proportional to 324,153.26, 447,338.62 and 178,958.54
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Solution
The fourth proportional to 324,153.26, 447,338.62 and 178,958.54 is: 246,966.72
Step by Step Solution
- Step 1: Write the proportion equation
324,153.26 : 447,338.62 = 178,958.54 : x - Step 2: Convert to fraction form
324,153.26/447,338.62 = 178,958.54/x - Step 3: Cross multiply
324,153.26x = 447,338.62 × 178,958.54 - Step 4: Simplify right side
324,153.26x = 80,055,066,320.81 - Step 5: Solve for x
x = 80,055,066,320.81/324,153.26 - Step 6: Final answer
x = 246,966.72
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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.