Finding the Fourth Proportional to 183,235.68, 252,879.21 and 115,310.86
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Solution
The fourth proportional to 183,235.68, 252,879.21 and 115,310.86 is: 159,137.78
Step by Step Solution
- Step 1: Write the proportion equation
183,235.68 : 252,879.21 = 115,310.86 : x - Step 2: Convert to fraction form
183,235.68/252,879.21 = 115,310.86/x - Step 3: Cross multiply
183,235.68x = 252,879.21 × 115,310.86 - Step 4: Simplify right side
183,235.68x = 29,159,719,181.22 - Step 5: Solve for x
x = 29,159,719,181.22/183,235.68 - Step 6: Final answer
x = 159,137.78
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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.