Finding the Fourth Proportional to 371,695.10, 512,942.83 and 201,930.44
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Solution
The fourth proportional to 371,695.10, 512,942.83 and 201,930.44 is: 278,665.95
Step by Step Solution
- Step 1: Write the proportion equation
371,695.10 : 512,942.83 = 201,930.44 : x - Step 2: Convert to fraction form
371,695.10/512,942.83 = 201,930.44/x - Step 3: Cross multiply
371,695.10x = 512,942.83 × 201,930.44 - Step 4: Simplify right side
371,695.10x = 103,578,768,287.21 - Step 5: Solve for x
x = 103,578,768,287.21/371,695.10 - Step 6: Final answer
x = 278,665.95
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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.