Finding the Fourth Proportional to 371,142.99, 512,183.28 and 201,377.11
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Solution
The fourth proportional to 371,142.99, 512,183.28 and 201,377.11 is: 277,903.64
Step by Step Solution
- Step 1: Write the proportion equation
371,142.99 : 512,183.28 = 201,377.11 : x - Step 2: Convert to fraction form
371,142.99/512,183.28 = 201,377.11/x - Step 3: Cross multiply
371,142.99x = 512,183.28 × 201,377.11 - Step 4: Simplify right side
371,142.99x = 103,141,988,716.72 - Step 5: Solve for x
x = 103,141,988,716.72/371,142.99 - Step 6: Final answer
x = 277,903.64
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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.