Finding the Fourth Proportional to 397,865.58, 596,804.69 and 221,493.62
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Solution
The fourth proportional to 397,865.58, 596,804.69 and 221,493.62 is: 332,243.95
Step by Step Solution
- Step 1: Write the proportion equation
397,865.58 : 596,804.69 = 221,493.62 : x - Step 2: Convert to fraction form
397,865.58/596,804.69 = 221,493.62/x - Step 3: Cross multiply
397,865.58x = 596,804.69 × 221,493.62 - Step 4: Simplify right side
397,865.58x = 132,188,431,221.08 - Step 5: Solve for x
x = 132,188,431,221.08/397,865.58 - Step 6: Final answer
x = 332,243.95
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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.