Finding the Fourth Proportional to 110,843.24, 166,331.09 and 40,729.64
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Solution
The fourth proportional to 110,843.24, 166,331.09 and 40,729.64 is: 61,118.79
Step by Step Solution
- Step 1: Write the proportion equation
110,843.24 : 166,331.09 = 40,729.64 : x - Step 2: Convert to fraction form
110,843.24/166,331.09 = 40,729.64/x - Step 3: Cross multiply
110,843.24x = 166,331.09 × 40,729.64 - Step 4: Simplify right side
110,843.24x = 6,774,604,686.68 - Step 5: Solve for x
x = 6,774,604,686.68/110,843.24 - Step 6: Final answer
x = 61,118.79
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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.