Finding the Fourth Proportional to 325,057.14, 487,516.41 and 125,311.14
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Solution
The fourth proportional to 325,057.14, 487,516.41 and 125,311.14 is: 187,939.99
Step by Step Solution
- Step 1: Write the proportion equation
325,057.14 : 487,516.41 = 125,311.14 : x - Step 2: Convert to fraction form
325,057.14/487,516.41 = 125,311.14/x - Step 3: Cross multiply
325,057.14x = 487,516.41 × 125,311.14 - Step 4: Simplify right side
325,057.14x = 61,091,237,105.81 - Step 5: Solve for x
x = 61,091,237,105.81/325,057.14 - Step 6: Final answer
x = 187,939.99
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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.