Finding the Fourth Proportional to 329,216.14, 493,863.77 and 115,939.97
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Solution
The fourth proportional to 329,216.14, 493,863.77 and 115,939.97 is: 173,923.89
Step by Step Solution
- Step 1: Write the proportion equation
329,216.14 : 493,863.77 = 115,939.97 : x - Step 2: Convert to fraction form
329,216.14/493,863.77 = 115,939.97/x - Step 3: Cross multiply
329,216.14x = 493,863.77 × 115,939.97 - Step 4: Simplify right side
329,216.14x = 57,258,550,350.41 - Step 5: Solve for x
x = 57,258,550,350.41/329,216.14 - Step 6: Final answer
x = 173,923.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.