Finding the Fourth Proportional to 496,163.52, 684,723.68 and 284,236.48
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Solution
The fourth proportional to 496,163.52, 684,723.68 and 284,236.48 is: 392,256.67
Step by Step Solution
- Step 1: Write the proportion equation
496,163.52 : 684,723.68 = 284,236.48 : x - Step 2: Convert to fraction form
496,163.52/684,723.68 = 284,236.48/x - Step 3: Cross multiply
496,163.52x = 684,723.68 × 284,236.48 - Step 4: Simplify right side
496,163.52x = 194,623,448,575.85 - Step 5: Solve for x
x = 194,623,448,575.85/496,163.52 - Step 6: Final answer
x = 392,256.67
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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.