Finding the Fourth Proportional to 235,514.24, 325,012.04 and 128,086.68
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Solution
The fourth proportional to 235,514.24, 325,012.04 and 128,086.68 is: 176,760.92
Step by Step Solution
- Step 1: Write the proportion equation
235,514.24 : 325,012.04 = 128,086.68 : x - Step 2: Convert to fraction form
235,514.24/325,012.04 = 128,086.68/x - Step 3: Cross multiply
235,514.24x = 325,012.04 × 128,086.68 - Step 4: Simplify right side
235,514.24x = 41,629,713,163.63 - Step 5: Solve for x
x = 41,629,713,163.63/235,514.24 - Step 6: Final answer
x = 176,760.92
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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.