Finding the Fourth Proportional to 317,321.69, 437,942.70 and 181,324.44
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Solution
The fourth proportional to 317,321.69, 437,942.70 and 181,324.44 is: 250,249.88
Step by Step Solution
- Step 1: Write the proportion equation
317,321.69 : 437,942.70 = 181,324.44 : x - Step 2: Convert to fraction form
317,321.69/437,942.70 = 181,324.44/x - Step 3: Cross multiply
317,321.69x = 437,942.70 × 181,324.44 - Step 4: Simplify right side
317,321.69x = 79,409,714,829.59 - Step 5: Solve for x
x = 79,409,714,829.59/317,321.69 - Step 6: Final answer
x = 250,249.88
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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.