Finding the Fourth Proportional to 421,932.97, 582,272.97 and 230,942.26
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Solution
The fourth proportional to 421,932.97, 582,272.97 and 230,942.26 is: 318,703.31
Step by Step Solution
- Step 1: Write the proportion equation
421,932.97 : 582,272.97 = 230,942.26 : x - Step 2: Convert to fraction form
421,932.97/582,272.97 = 230,942.26/x - Step 3: Cross multiply
421,932.97x = 582,272.97 × 230,942.26 - Step 4: Simplify right side
421,932.97x = 134,471,435,628.71 - Step 5: Solve for x
x = 134,471,435,628.71/421,932.97 - Step 6: Final answer
x = 318,703.31
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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.