Finding the Fourth Proportional to 209,450.20, 313,829.70 and 178,346.20
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Solution
The fourth proportional to 209,450.20, 313,829.70 and 178,346.20 is: 267,225.02
Step by Step Solution
- Step 1: Write the proportion equation
209,450.20 : 313,829.70 = 178,346.20 : x - Step 2: Convert to fraction form
209,450.20/313,829.70 = 178,346.20/x - Step 3: Cross multiply
209,450.20x = 313,829.70 × 178,346.20 - Step 4: Simplify right side
209,450.20x = 55,970,334,442.14 - Step 5: Solve for x
x = 55,970,334,442.14/209,450.20 - Step 6: Final answer
x = 267,225.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.