Finding the Fourth Proportional to 90,202.54, 135,287.97 and 27,873.58
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Solution
The fourth proportional to 90,202.54, 135,287.97 and 27,873.58 is: 41,805.48
Step by Step Solution
- Step 1: Write the proportion equation
90,202.54 : 135,287.97 = 27,873.58 : x - Step 2: Convert to fraction form
90,202.54/135,287.97 = 27,873.58/x - Step 3: Cross multiply
90,202.54x = 135,287.97 × 27,873.58 - Step 4: Simplify right side
90,202.54x = 3,770,960,054.83 - Step 5: Solve for x
x = 3,770,960,054.83/90,202.54 - Step 6: Final answer
x = 41,805.48
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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.