Finding the Fourth Proportional to 211,850.24, 317,957.60 and 122,980.28
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Solution
The fourth proportional to 211,850.24, 317,957.60 and 122,980.28 is: 184,576.21
Step by Step Solution
- Step 1: Write the proportion equation
211,850.24 : 317,957.60 = 122,980.28 : x - Step 2: Convert to fraction form
211,850.24/317,957.60 = 122,980.28/x - Step 3: Cross multiply
211,850.24x = 317,957.60 × 122,980.28 - Step 4: Simplify right side
211,850.24x = 39,102,514,676.13 - Step 5: Solve for x
x = 39,102,514,676.13/211,850.24 - Step 6: Final answer
x = 184,576.21
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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.