Finding the Fourth Proportional to 371,446.49, 512,598.21 and 201,680.62
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Solution
The fourth proportional to 371,446.49, 512,598.21 and 201,680.62 is: 278,320.37
Step by Step Solution
- Step 1: Write the proportion equation
371,446.49 : 512,598.21 = 201,680.62 : x - Step 2: Convert to fraction form
371,446.49/512,598.21 = 201,680.62/x - Step 3: Cross multiply
371,446.49x = 512,598.21 × 201,680.62 - Step 4: Simplify right side
371,446.49x = 103,381,123,795.29 - Step 5: Solve for x
x = 103,381,123,795.29/371,446.49 - Step 6: Final answer
x = 278,320.37
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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.