Finding the Fourth Proportional to 209,250.48, 288,771.36 and 113,763.76
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Solution
The fourth proportional to 209,250.48, 288,771.36 and 113,763.76 is: 156,997.09
Step by Step Solution
- Step 1: Write the proportion equation
209,250.48 : 288,771.36 = 113,763.76 : x - Step 2: Convert to fraction form
209,250.48/288,771.36 = 113,763.76/x - Step 3: Cross multiply
209,250.48x = 288,771.36 × 113,763.76 - Step 4: Simplify right side
209,250.48x = 32,851,715,693.91 - Step 5: Solve for x
x = 32,851,715,693.91/209,250.48 - Step 6: Final answer
x = 156,997.09
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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.