Finding the Fourth Proportional to 325,709.76, 488,634.84 and 101,065.44
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Solution
The fourth proportional to 325,709.76, 488,634.84 and 101,065.44 is: 151,619.94
Step by Step Solution
- Step 1: Write the proportion equation
325,709.76 : 488,634.84 = 101,065.44 : x - Step 2: Convert to fraction form
325,709.76/488,634.84 = 101,065.44/x - Step 3: Cross multiply
325,709.76x = 488,634.84 × 101,065.44 - Step 4: Simplify right side
325,709.76x = 49,384,095,103.93 - Step 5: Solve for x
x = 49,384,095,103.93/325,709.76 - Step 6: Final answer
x = 151,619.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.