Finding the Fourth Proportional to 311,202.20, 465,728.10 and 186,632.60
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Solution
The fourth proportional to 311,202.20, 465,728.10 and 186,632.60 is: 279,304.09
Step by Step Solution
- Step 1: Write the proportion equation
311,202.20 : 465,728.10 = 186,632.60 : x - Step 2: Convert to fraction form
311,202.20/465,728.10 = 186,632.60/x - Step 3: Cross multiply
311,202.20x = 465,728.10 × 186,632.60 - Step 4: Simplify right side
311,202.20x = 86,920,046,196.06 - Step 5: Solve for x
x = 86,920,046,196.06/311,202.20 - Step 6: Final answer
x = 279,304.09
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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.