Finding the Fourth Proportional to 216,091.70, 298,194.41 and 120,604.55
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Solution
The fourth proportional to 216,091.70, 298,194.41 and 120,604.55 is: 166,427.50
Step by Step Solution
- Step 1: Write the proportion equation
216,091.70 : 298,194.41 = 120,604.55 : x - Step 2: Convert to fraction form
216,091.70/298,194.41 = 120,604.55/x - Step 3: Cross multiply
216,091.70x = 298,194.41 × 120,604.55 - Step 4: Simplify right side
216,091.70x = 35,963,601,441.10 - Step 5: Solve for x
x = 35,963,601,441.10/216,091.70 - Step 6: Final answer
x = 166,427.50
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1.5x scale
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.