Finding the Fourth Proportional to 329,470.08, 494,205.12 and 80,149.92
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Solution
The fourth proportional to 329,470.08, 494,205.12 and 80,149.92 is: 120,224.88
Step by Step Solution
- Step 1: Write the proportion equation
329,470.08 : 494,205.12 = 80,149.92 : x - Step 2: Convert to fraction form
329,470.08/494,205.12 = 80,149.92/x - Step 3: Cross multiply
329,470.08x = 494,205.12 × 80,149.92 - Step 4: Simplify right side
329,470.08x = 39,610,500,831.59 - Step 5: Solve for x
x = 39,610,500,831.59/329,470.08 - Step 6: Final answer
x = 120,224.88
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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.