Finding the Fourth Proportional to 203,489.16, 280,758.14 and 118,589.82
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Solution
The fourth proportional to 203,489.16, 280,758.14 and 118,589.82 is: 163,620.79
Step by Step Solution
- Step 1: Write the proportion equation
203,489.16 : 280,758.14 = 118,589.82 : x - Step 2: Convert to fraction form
203,489.16/280,758.14 = 118,589.82/x - Step 3: Cross multiply
203,489.16x = 280,758.14 × 118,589.82 - Step 4: Simplify right side
203,489.16x = 33,295,057,286.13 - Step 5: Solve for x
x = 33,295,057,286.13/203,489.16 - Step 6: Final answer
x = 163,620.79
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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.