Finding the Fourth Proportional to 209,125.18, 313,510.41 and 82,854.63
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Solution
The fourth proportional to 209,125.18, 313,510.41 and 82,854.63 is: 124,211.68
Step by Step Solution
- Step 1: Write the proportion equation
209,125.18 : 313,510.41 = 82,854.63 : x - Step 2: Convert to fraction form
209,125.18/313,510.41 = 82,854.63/x - Step 3: Cross multiply
209,125.18x = 313,510.41 × 82,854.63 - Step 4: Simplify right side
209,125.18x = 25,975,789,021.70 - Step 5: Solve for x
x = 25,975,789,021.70/209,125.18 - Step 6: Final answer
x = 124,211.68
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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.