Finding the Fourth Proportional to 216,414.26, 298,653.18 and 120,924.98
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Solution
The fourth proportional to 216,414.26, 298,653.18 and 120,924.98 is: 166,877.31
Step by Step Solution
- Step 1: Write the proportion equation
216,414.26 : 298,653.18 = 120,924.98 : x - Step 2: Convert to fraction form
216,414.26/298,653.18 = 120,924.98/x - Step 3: Cross multiply
216,414.26x = 298,653.18 × 120,924.98 - Step 4: Simplify right side
216,414.26x = 36,114,629,818.44 - Step 5: Solve for x
x = 36,114,629,818.44/216,414.26 - Step 6: Final answer
x = 166,877.31
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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.