Finding the Fourth Proportional to 79,212.36, 118,735.11 and 29,260.47
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Solution
The fourth proportional to 79,212.36, 118,735.11 and 29,260.47 is: 43,859.89
Step by Step Solution
- Step 1: Write the proportion equation
79,212.36 : 118,735.11 = 29,260.47 : x - Step 2: Convert to fraction form
79,212.36/118,735.11 = 29,260.47/x - Step 3: Cross multiply
79,212.36x = 118,735.11 × 29,260.47 - Step 4: Simplify right side
79,212.36x = 3,474,245,124.10 - Step 5: Solve for x
x = 3,474,245,124.10/79,212.36 - Step 6: Final answer
x = 43,859.89
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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.