Finding the Fourth Proportional to 291,621.40, 436,265.70 and 252,611.80
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Solution
The fourth proportional to 291,621.40, 436,265.70 and 252,611.80 is: 377,907.33
Step by Step Solution
- Step 1: Write the proportion equation
291,621.40 : 436,265.70 = 252,611.80 : x - Step 2: Convert to fraction form
291,621.40/436,265.70 = 252,611.80/x - Step 3: Cross multiply
291,621.40x = 436,265.70 × 252,611.80 - Step 4: Simplify right side
291,621.40x = 110,205,863,755.26 - Step 5: Solve for x
x = 110,205,863,755.26/291,621.40 - Step 6: Final answer
x = 377,907.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.