Finding the Fourth Proportional to 209,267.35, 288,770.37 and 116,135.44
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Solution
The fourth proportional to 209,267.35, 288,770.37 and 116,135.44 is: 160,256.60
Step by Step Solution
- Step 1: Write the proportion equation
209,267.35 : 288,770.37 = 116,135.44 : x - Step 2: Convert to fraction form
209,267.35/288,770.37 = 116,135.44/x - Step 3: Cross multiply
209,267.35x = 288,770.37 × 116,135.44 - Step 4: Simplify right side
209,267.35x = 33,536,473,978.91 - Step 5: Solve for x
x = 33,536,473,978.91/209,267.35 - Step 6: Final answer
x = 160,256.60
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1.5x scale
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.