Finding the Fourth Proportional to 378,148.26, 567,222.36 and 259,459.76
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Solution
The fourth proportional to 378,148.26, 567,222.36 and 259,459.76 is: 389,189.62
Step by Step Solution
- Step 1: Write the proportion equation
378,148.26 : 567,222.36 = 259,459.76 : x - Step 2: Convert to fraction form
378,148.26/567,222.36 = 259,459.76/x - Step 3: Cross multiply
378,148.26x = 567,222.36 × 259,459.76 - Step 4: Simplify right side
378,148.26x = 147,171,377,392.23 - Step 5: Solve for x
x = 147,171,377,392.23/378,148.26 - Step 6: Final answer
x = 389,189.62
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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.