Finding the Fourth Proportional to 329,434.08, 494,151.12 and 80,113.92
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Solution
The fourth proportional to 329,434.08, 494,151.12 and 80,113.92 is: 120,170.88
Step by Step Solution
- Step 1: Write the proportion equation
329,434.08 : 494,151.12 = 80,113.92 : x - Step 2: Convert to fraction form
329,434.08/494,151.12 = 80,113.92/x - Step 3: Cross multiply
329,434.08x = 494,151.12 × 80,113.92 - Step 4: Simplify right side
329,434.08x = 39,588,383,295.59 - Step 5: Solve for x
x = 39,588,383,295.59/329,434.08 - Step 6: Final answer
x = 120,170.88
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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.