Finding the Fourth Proportional to 331,187.07, 457,097.97 and 195,213.18
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Solution
The fourth proportional to 331,187.07, 457,097.97 and 195,213.18 is: 269,429.44
Step by Step Solution
- Step 1: Write the proportion equation
331,187.07 : 457,097.97 = 195,213.18 : x - Step 2: Convert to fraction form
331,187.07/457,097.97 = 195,213.18/x - Step 3: Cross multiply
331,187.07x = 457,097.97 × 195,213.18 - Step 4: Simplify right side
331,187.07x = 89,231,548,295.24 - Step 5: Solve for x
x = 89,231,548,295.24/331,187.07 - Step 6: Final answer
x = 269,429.44
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1.5x scale
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.