Finding the Fourth Proportional to 371,290.98, 512,390.84 and 201,524.70
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Solution
The fourth proportional to 371,290.98, 512,390.84 and 201,524.70 is: 278,109.12
Step by Step Solution
- Step 1: Write the proportion equation
371,290.98 : 512,390.84 = 201,524.70 : x - Step 2: Convert to fraction form
371,290.98/512,390.84 = 201,524.70/x - Step 3: Cross multiply
371,290.98x = 512,390.84 × 201,524.70 - Step 4: Simplify right side
371,290.98x = 103,259,409,306.13 - Step 5: Solve for x
x = 103,259,409,306.13/371,290.98 - Step 6: Final answer
x = 278,109.12
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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.