Finding the Fourth Proportional to 874,102.49, 1,311,151.86 and 275,115.99
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Solution
The fourth proportional to 874,102.49, 1,311,151.86 and 275,115.99 is: 412,673.40
Step by Step Solution
- Step 1: Write the proportion equation
874,102.49 : 1,311,151.86 = 275,115.99 : x - Step 2: Convert to fraction form
874,102.49/1,311,151.86 = 275,115.99/x - Step 3: Cross multiply
874,102.49x = 1,311,151.86 × 275,115.99 - Step 4: Simplify right side
874,102.49x = 360,718,846,921.06 - Step 5: Solve for x
x = 360,718,846,921.06/874,102.49 - Step 6: Final answer
x = 412,673.40
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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.