Finding the Fourth Proportional to 491,142.02, 677,768.92 and 273,349.22
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Solution
The fourth proportional to 491,142.02, 677,768.92 and 273,349.22 is: 377,217.99
Step by Step Solution
- Step 1: Write the proportion equation
491,142.02 : 677,768.92 = 273,349.22 : x - Step 2: Convert to fraction form
491,142.02/677,768.92 = 273,349.22/x - Step 3: Cross multiply
491,142.02x = 677,768.92 × 273,349.22 - Step 4: Simplify right side
491,142.02x = 185,267,601,550.03 - Step 5: Solve for x
x = 185,267,601,550.03/491,142.02 - Step 6: Final answer
x = 377,217.99
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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.