Finding the Fourth Proportional to 243,163.11, 335,563.80 and 141,213.64
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Solution
The fourth proportional to 243,163.11, 335,563.80 and 141,213.64 is: 194,874.07
Step by Step Solution
- Step 1: Write the proportion equation
243,163.11 : 335,563.80 = 141,213.64 : x - Step 2: Convert to fraction form
243,163.11/335,563.80 = 141,213.64/x - Step 3: Cross multiply
243,163.11x = 335,563.80 × 141,213.64 - Step 4: Simplify right side
243,163.11x = 47,386,185,650.23 - Step 5: Solve for x
x = 47,386,185,650.23/243,163.11 - Step 6: Final answer
x = 194,874.07
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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.