Finding the Fourth Proportional to 209,246.26, 288,762.70 and 113,754.96
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Solution
The fourth proportional to 209,246.26, 288,762.70 and 113,754.96 is: 156,983.40
Step by Step Solution
- Step 1: Write the proportion equation
209,246.26 : 288,762.70 = 113,754.96 : x - Step 2: Convert to fraction form
209,246.26/288,762.70 = 113,754.96/x - Step 3: Cross multiply
209,246.26x = 288,762.70 × 113,754.96 - Step 4: Simplify right side
209,246.26x = 32,848,189,387.99 - Step 5: Solve for x
x = 32,848,189,387.99/209,246.26 - Step 6: Final answer
x = 156,983.40
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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.