Finding the Fourth Proportional to 371,057.07, 512,059.74 and 201,291.20
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Solution
The fourth proportional to 371,057.07, 512,059.74 and 201,291.20 is: 277,782.38
Step by Step Solution
- Step 1: Write the proportion equation
371,057.07 : 512,059.74 = 201,291.20 : x - Step 2: Convert to fraction form
371,057.07/512,059.74 = 201,291.20/x - Step 3: Cross multiply
371,057.07x = 512,059.74 × 201,291.20 - Step 4: Simplify right side
371,057.07x = 103,073,116,975.99 - Step 5: Solve for x
x = 103,073,116,975.99/371,057.07 - Step 6: Final answer
x = 277,782.38
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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.