Finding the Fourth Proportional to 209,276.26, 288,800.58 and 113,783.20
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Solution
The fourth proportional to 209,276.26, 288,800.58 and 113,783.20 is: 157,020.46
Step by Step Solution
- Step 1: Write the proportion equation
209,276.26 : 288,800.58 = 113,783.20 : x - Step 2: Convert to fraction form
209,276.26/288,800.58 = 113,783.20/x - Step 3: Cross multiply
209,276.26x = 288,800.58 × 113,783.20 - Step 4: Simplify right side
209,276.26x = 32,860,654,154.26 - Step 5: Solve for x
x = 32,860,654,154.26/209,276.26 - Step 6: Final answer
x = 157,020.46
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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.