Finding the Fourth Proportional to 200,331.28, 276,470.49 and 115,453.81
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Solution
The fourth proportional to 200,331.28, 276,470.49 and 115,453.81 is: 159,333.94
Step by Step Solution
- Step 1: Write the proportion equation
200,331.28 : 276,470.49 = 115,453.81 : x - Step 2: Convert to fraction form
200,331.28/276,470.49 = 115,453.81/x - Step 3: Cross multiply
200,331.28x = 276,470.49 × 115,453.81 - Step 4: Simplify right side
200,331.28x = 31,919,571,423.07 - Step 5: Solve for x
x = 31,919,571,423.07/200,331.28 - Step 6: Final answer
x = 159,333.94
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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.