Finding the Fourth Proportional to 371,296.80, 512,375.84 and 201,527.28
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Solution
The fourth proportional to 371,296.80, 512,375.84 and 201,527.28 is: 278,100.19
Step by Step Solution
- Step 1: Write the proportion equation
371,296.80 : 512,375.84 = 201,527.28 : x - Step 2: Convert to fraction form
371,296.80/512,375.84 = 201,527.28/x - Step 3: Cross multiply
371,296.80x = 512,375.84 × 201,527.28 - Step 4: Simplify right side
371,296.80x = 103,257,709,372.92 - Step 5: Solve for x
x = 103,257,709,372.92/371,296.80 - Step 6: Final answer
x = 278,100.19
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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.