Finding the Fourth Proportional to 299,239.29, 412,958.39 and 178,390.53
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Solution
The fourth proportional to 299,239.29, 412,958.39 and 178,390.53 is: 246,183.80
Step by Step Solution
- Step 1: Write the proportion equation
299,239.29 : 412,958.39 = 178,390.53 : x - Step 2: Convert to fraction form
299,239.29/412,958.39 = 178,390.53/x - Step 3: Cross multiply
299,239.29x = 412,958.39 × 178,390.53 - Step 4: Simplify right side
299,239.29x = 73,667,865,168.09 - Step 5: Solve for x
x = 73,667,865,168.09/299,239.29 - Step 6: Final answer
x = 246,183.80
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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.