Finding the Fourth Proportional to 209,334.21, 288,878.49 and 113,838.84
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Solution
The fourth proportional to 209,334.21, 288,878.49 and 113,838.84 is: 157,096.12
Step by Step Solution
- Step 1: Write the proportion equation
209,334.21 : 288,878.49 = 113,838.84 : x - Step 2: Convert to fraction form
209,334.21/288,878.49 = 113,838.84/x - Step 3: Cross multiply
209,334.21x = 288,878.49 × 113,838.84 - Step 4: Simplify right side
209,334.21x = 32,885,592,202.55 - Step 5: Solve for x
x = 32,885,592,202.55/209,334.21 - Step 6: Final answer
x = 157,096.12
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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.