Finding the Fourth Proportional to 129,244.24, 193,903.20 and 54,325.68
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Solution
The fourth proportional to 129,244.24, 193,903.20 and 54,325.68 is: 81,504.01
Step by Step Solution
- Step 1: Write the proportion equation
129,244.24 : 193,903.20 = 54,325.68 : x - Step 2: Convert to fraction form
129,244.24/193,903.20 = 54,325.68/x - Step 3: Cross multiply
129,244.24x = 193,903.20 × 54,325.68 - Step 4: Simplify right side
129,244.24x = 10,533,923,194.18 - Step 5: Solve for x
x = 10,533,923,194.18/129,244.24 - Step 6: Final answer
x = 81,504.01
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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.