Finding the Fourth Proportional to 394,448.80, 591,759.60 and 194,864.80
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Solution
The fourth proportional to 394,448.80, 591,759.60 and 194,864.80 is: 292,339.88
Step by Step Solution
- Step 1: Write the proportion equation
394,448.80 : 591,759.60 = 194,864.80 : x - Step 2: Convert to fraction form
394,448.80/591,759.60 = 194,864.80/x - Step 3: Cross multiply
394,448.80x = 591,759.60 × 194,864.80 - Step 4: Simplify right side
394,448.80x = 115,313,116,102.08 - Step 5: Solve for x
x = 115,313,116,102.08/394,448.80 - Step 6: Final answer
x = 292,339.88
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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.