Finding the Fourth Proportional to 373,410.99, 515,286.90 and 212,243.67
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Solution
The fourth proportional to 373,410.99, 515,286.90 and 212,243.67 is: 292,884.75
Step by Step Solution
- Step 1: Write the proportion equation
373,410.99 : 515,286.90 = 212,243.67 : x - Step 2: Convert to fraction form
373,410.99/515,286.90 = 212,243.67/x - Step 3: Cross multiply
373,410.99x = 515,286.90 × 212,243.67 - Step 4: Simplify right side
373,410.99x = 109,366,382,758.92 - Step 5: Solve for x
x = 109,366,382,758.92/373,410.99 - Step 6: Final answer
x = 292,884.75
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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.