Finding the Fourth Proportional to 221,476.06, 332,266.74 and 71,716.38
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Solution
The fourth proportional to 221,476.06, 332,266.74 and 71,716.38 is: 107,591.62
Step by Step Solution
- Step 1: Write the proportion equation
221,476.06 : 332,266.74 = 71,716.38 : x - Step 2: Convert to fraction form
221,476.06/332,266.74 = 71,716.38/x - Step 3: Cross multiply
221,476.06x = 332,266.74 × 71,716.38 - Step 4: Simplify right side
221,476.06x = 23,828,967,787.20 - Step 5: Solve for x
x = 23,828,967,787.20/221,476.06 - Step 6: Final answer
x = 107,591.62
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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.