Finding the Fourth Proportional to 362,181.42, 499,786.74 and 201,028.68
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Solution
The fourth proportional to 362,181.42, 499,786.74 and 201,028.68 is: 277,406.47
Step by Step Solution
- Step 1: Write the proportion equation
362,181.42 : 499,786.74 = 201,028.68 : x - Step 2: Convert to fraction form
362,181.42/499,786.74 = 201,028.68/x - Step 3: Cross multiply
362,181.42x = 499,786.74 × 201,028.68 - Step 4: Simplify right side
362,181.42x = 100,471,468,623.70 - Step 5: Solve for x
x = 100,471,468,623.70/362,181.42 - Step 6: Final answer
x = 277,406.47
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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.