Finding the Fourth Proportional to 110,821.77, 166,249.06 and 40,695.62
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Solution
The fourth proportional to 110,821.77, 166,249.06 and 40,695.62 is: 61,049.45
Step by Step Solution
- Step 1: Write the proportion equation
110,821.77 : 166,249.06 = 40,695.62 : x - Step 2: Convert to fraction form
110,821.77/166,249.06 = 40,695.62/x - Step 3: Cross multiply
110,821.77x = 166,249.06 × 40,695.62 - Step 4: Simplify right side
110,821.77x = 6,765,607,638.13 - Step 5: Solve for x
x = 6,765,607,638.13/110,821.77 - Step 6: Final answer
x = 61,049.45
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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.