Finding the Fourth Proportional to 79,197.26, 118,712.70 and 29,245.52
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Solution
The fourth proportional to 79,197.26, 118,712.70 and 29,245.52 is: 43,837.56
Step by Step Solution
- Step 1: Write the proportion equation
79,197.26 : 118,712.70 = 29,245.52 : x - Step 2: Convert to fraction form
79,197.26/118,712.70 = 29,245.52/x - Step 3: Cross multiply
79,197.26x = 118,712.70 × 29,245.52 - Step 4: Simplify right side
79,197.26x = 3,471,814,642.10 - Step 5: Solve for x
x = 3,471,814,642.10/79,197.26 - Step 6: Final answer
x = 43,837.56
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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.