Finding the Fourth Proportional to 371,435.82, 512,581.50 and 201,669.99
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Solution
The fourth proportional to 371,435.82, 512,581.50 and 201,669.99 is: 278,304.62
Step by Step Solution
- Step 1: Write the proportion equation
371,435.82 : 512,581.50 = 201,669.99 : x - Step 2: Convert to fraction form
371,435.82/512,581.50 = 201,669.99/x - Step 3: Cross multiply
371,435.82x = 512,581.50 × 201,669.99 - Step 4: Simplify right side
371,435.82x = 103,372,305,979.19 - Step 5: Solve for x
x = 103,372,305,979.19/371,435.82 - Step 6: Final answer
x = 278,304.62
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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.