Finding the Fourth Proportional to 269,797.05, 372,321.23 and 148,936.14
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Solution
The fourth proportional to 269,797.05, 372,321.23 and 148,936.14 is: 205,532.59
Step by Step Solution
- Step 1: Write the proportion equation
269,797.05 : 372,321.23 = 148,936.14 : x - Step 2: Convert to fraction form
269,797.05/372,321.23 = 148,936.14/x - Step 3: Cross multiply
269,797.05x = 372,321.23 × 148,936.14 - Step 4: Simplify right side
269,797.05x = 55,452,086,091.57 - Step 5: Solve for x
x = 55,452,086,091.57/269,797.05 - Step 6: Final answer
x = 205,532.59
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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.