Finding the Fourth Proportional to 489,273.36, 675,202.78 and 271,485.96
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Solution
The fourth proportional to 489,273.36, 675,202.78 and 271,485.96 is: 374,653.70
Step by Step Solution
- Step 1: Write the proportion equation
489,273.36 : 675,202.78 = 271,485.96 : x - Step 2: Convert to fraction form
489,273.36/675,202.78 = 271,485.96/x - Step 3: Cross multiply
489,273.36x = 675,202.78 × 271,485.96 - Step 4: Simplify right side
489,273.36x = 183,308,074,922.97 - Step 5: Solve for x
x = 183,308,074,922.97/489,273.36 - Step 6: Final answer
x = 374,653.70
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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.