Finding the Fourth Proportional to 209,255.68, 288,772.80 and 113,762.08
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Solution
The fourth proportional to 209,255.68, 288,772.80 and 113,762.08 is: 156,991.65
Step by Step Solution
- Step 1: Write the proportion equation
209,255.68 : 288,772.80 = 113,762.08 : x - Step 2: Convert to fraction form
209,255.68/288,772.80 = 113,762.08/x - Step 3: Cross multiply
209,255.68x = 288,772.80 × 113,762.08 - Step 4: Simplify right side
209,255.68x = 32,851,394,375.42 - Step 5: Solve for x
x = 32,851,394,375.42/209,255.68 - Step 6: Final answer
x = 156,991.65
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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.