Finding the Fourth Proportional to 498,198.88, 687,529.60 and 283,369.92
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Solution
The fourth proportional to 498,198.88, 687,529.60 and 283,369.92 is: 391,059.10
Step by Step Solution
- Step 1: Write the proportion equation
498,198.88 : 687,529.60 = 283,369.92 : x - Step 2: Convert to fraction form
498,198.88/687,529.60 = 283,369.92/x - Step 3: Cross multiply
498,198.88x = 687,529.60 × 283,369.92 - Step 4: Simplify right side
498,198.88x = 194,825,207,749.63 - Step 5: Solve for x
x = 194,825,207,749.63/498,198.88 - Step 6: Final answer
x = 391,059.10
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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.