Finding the Fourth Proportional to 371,290.50, 512,381.47 and 201,524.70
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Solution
The fourth proportional to 371,290.50, 512,381.47 and 201,524.70 is: 278,104.40
Step by Step Solution
- Step 1: Write the proportion equation
371,290.50 : 512,381.47 = 201,524.70 : x - Step 2: Convert to fraction form
371,290.50/512,381.47 = 201,524.70/x - Step 3: Cross multiply
371,290.50x = 512,381.47 × 201,524.70 - Step 4: Simplify right side
371,290.50x = 103,257,522,027.31 - Step 5: Solve for x
x = 103,257,522,027.31/371,290.50 - Step 6: Final answer
x = 278,104.40
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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.