Finding the Fourth Proportional to 122.70, 184.02 and 36.02
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Solution
The fourth proportional to 122.70, 184.02 and 36.02 is: 54.02
Step by Step Solution
- Step 1: Write the proportion equation
122.70 : 184.02 = 36.02 : x - Step 2: Convert to fraction form
122.70/184.02 = 36.02/x - Step 3: Cross multiply
122.70x = 184.02 × 36.02 - Step 4: Simplify right side
122.70x = 6,628.40 - Step 5: Solve for x
x = 6,628.40/122.70 - Step 6: Final answer
x = 54.02
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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.