Finding the Fourth Proportional to 371,290.62, 512,381.64 and 201,524.82
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Solution
The fourth proportional to 371,290.62, 512,381.64 and 201,524.82 is: 278,104.57
Step by Step Solution
- Step 1: Write the proportion equation
371,290.62 : 512,381.64 = 201,524.82 : x - Step 2: Convert to fraction form
371,290.62/512,381.64 = 201,524.82/x - Step 3: Cross multiply
371,290.62x = 512,381.64 × 201,524.82 - Step 4: Simplify right side
371,290.62x = 103,257,617,772.31 - Step 5: Solve for x
x = 103,257,617,772.31/371,290.62 - Step 6: Final answer
x = 278,104.57
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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.