Finding the Fourth Proportional to 78,788.06, 118,183.12 and 26,197.54
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Solution
The fourth proportional to 78,788.06, 118,183.12 and 26,197.54 is: 39,296.65
Step by Step Solution
- Step 1: Write the proportion equation
78,788.06 : 118,183.12 = 26,197.54 : x - Step 2: Convert to fraction form
78,788.06/118,183.12 = 26,197.54/x - Step 3: Cross multiply
78,788.06x = 118,183.12 × 26,197.54 - Step 4: Simplify right side
78,788.06x = 3,096,106,882.54 - Step 5: Solve for x
x = 3,096,106,882.54/78,788.06 - Step 6: Final answer
x = 39,296.65
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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.