Finding the Fourth Proportional to 80,302.68, 110,818.44 and 44,493.12
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Solution
The fourth proportional to 80,302.68, 110,818.44 and 44,493.12 is: 61,400.92
Step by Step Solution
- Step 1: Write the proportion equation
80,302.68 : 110,818.44 = 44,493.12 : x - Step 2: Convert to fraction form
80,302.68/110,818.44 = 44,493.12/x - Step 3: Cross multiply
80,302.68x = 110,818.44 × 44,493.12 - Step 4: Simplify right side
80,302.68x = 4,930,658,149.13 - Step 5: Solve for x
x = 4,930,658,149.13/80,302.68 - Step 6: Final answer
x = 61,400.92
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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.