Finding the Fourth Proportional to 436,207.80, 654,311.70 and 310,236.60
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Solution
The fourth proportional to 436,207.80, 654,311.70 and 310,236.60 is: 465,354.90
Step by Step Solution
- Step 1: Write the proportion equation
436,207.80 : 654,311.70 = 310,236.60 : x - Step 2: Convert to fraction form
436,207.80/654,311.70 = 310,236.60/x - Step 3: Cross multiply
436,207.80x = 654,311.70 × 310,236.60 - Step 4: Simplify right side
436,207.80x = 202,991,437,148.22 - Step 5: Solve for x
x = 202,991,437,148.22/436,207.80 - Step 6: Final answer
x = 465,354.90
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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.