Finding the Fourth Proportional to 80,249.36, 110,742.64 and 44,439.26
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Solution
The fourth proportional to 80,249.36, 110,742.64 and 44,439.26 is: 61,325.36
Step by Step Solution
- Step 1: Write the proportion equation
80,249.36 : 110,742.64 = 44,439.26 : x - Step 2: Convert to fraction form
80,249.36/110,742.64 = 44,439.26/x - Step 3: Cross multiply
80,249.36x = 110,742.64 × 44,439.26 - Step 4: Simplify right side
80,249.36x = 4,921,320,307.24 - Step 5: Solve for x
x = 4,921,320,307.24/80,249.36 - Step 6: Final answer
x = 61,325.36
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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.