Finding the Fourth Proportional to 209,301.70, 313,952.55 and 183,057.70
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Solution
The fourth proportional to 209,301.70, 313,952.55 and 183,057.70 is: 274,586.55
Step by Step Solution
- Step 1: Write the proportion equation
209,301.70 : 313,952.55 = 183,057.70 : x - Step 2: Convert to fraction form
209,301.70/313,952.55 = 183,057.70/x - Step 3: Cross multiply
209,301.70x = 313,952.55 × 183,057.70 - Step 4: Simplify right side
209,301.70x = 57,471,431,712.14 - Step 5: Solve for x
x = 57,471,431,712.14/209,301.70 - Step 6: Final answer
x = 274,586.55
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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.