Finding the Fourth Proportional to 119,286.99, 164,620.26 and 65,576.97
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Solution
The fourth proportional to 119,286.99, 164,620.26 and 65,576.97 is: 90,498.54
Step by Step Solution
- Step 1: Write the proportion equation
119,286.99 : 164,620.26 = 65,576.97 : x - Step 2: Convert to fraction form
119,286.99/164,620.26 = 65,576.97/x - Step 3: Cross multiply
119,286.99x = 164,620.26 × 65,576.97 - Step 4: Simplify right side
119,286.99x = 10,795,297,851.41 - Step 5: Solve for x
x = 10,795,297,851.41/119,286.99 - Step 6: Final answer
x = 90,498.54
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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.