Finding the Fourth Proportional to 216,452.93, 298,704.17 and 120,959.60
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Solution
The fourth proportional to 216,452.93, 298,704.17 and 120,959.60 is: 166,923.76
Step by Step Solution
- Step 1: Write the proportion equation
216,452.93 : 298,704.17 = 120,959.60 : x - Step 2: Convert to fraction form
216,452.93/298,704.17 = 120,959.60/x - Step 3: Cross multiply
216,452.93x = 298,704.17 × 120,959.60 - Step 4: Simplify right side
216,452.93x = 36,131,135,730.41 - Step 5: Solve for x
x = 36,131,135,730.41/216,452.93 - Step 6: Final answer
x = 166,923.76
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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.