Finding the Fourth Proportional to 371,189.82, 512,251.20 and 201,423.54
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Solution
The fourth proportional to 371,189.82, 512,251.20 and 201,423.54 is: 277,969.50
Step by Step Solution
- Step 1: Write the proportion equation
371,189.82 : 512,251.20 = 201,423.54 : x - Step 2: Convert to fraction form
371,189.82/512,251.20 = 201,423.54/x - Step 3: Cross multiply
371,189.82x = 512,251.20 × 201,423.54 - Step 4: Simplify right side
371,189.82x = 103,179,450,073.25 - Step 5: Solve for x
x = 103,179,450,073.25/371,189.82 - Step 6: Final answer
x = 277,969.50
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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.