Finding the Fourth Proportional to 129,358.10, 194,037.20 and 58,197.63
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Solution
The fourth proportional to 129,358.10, 194,037.20 and 58,197.63 is: 87,296.47
Step by Step Solution
- Step 1: Write the proportion equation
129,358.10 : 194,037.20 = 58,197.63 : x - Step 2: Convert to fraction form
129,358.10/194,037.20 = 58,197.63/x - Step 3: Cross multiply
129,358.10x = 194,037.20 × 58,197.63 - Step 4: Simplify right side
129,358.10x = 11,292,504,880.85 - Step 5: Solve for x
x = 11,292,504,880.85/129,358.10 - Step 6: Final answer
x = 87,296.47
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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.