Finding the Fourth Proportional to 80,198.74, 110,701.91 and 46,220.79
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Solution
The fourth proportional to 80,198.74, 110,701.91 and 46,220.79 is: 63,800.63
Step by Step Solution
- Step 1: Write the proportion equation
80,198.74 : 110,701.91 = 46,220.79 : x - Step 2: Convert to fraction form
80,198.74/110,701.91 = 46,220.79/x - Step 3: Cross multiply
80,198.74x = 110,701.91 × 46,220.79 - Step 4: Simplify right side
80,198.74x = 5,116,729,676.93 - Step 5: Solve for x
x = 5,116,729,676.93/80,198.74 - Step 6: Final answer
x = 63,800.63
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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.