Finding the Fourth Proportional to 203,707.70, 305,561.55 and 192,043.70
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Solution
The fourth proportional to 203,707.70, 305,561.55 and 192,043.70 is: 288,065.55
Step by Step Solution
- Step 1: Write the proportion equation
203,707.70 : 305,561.55 = 192,043.70 : x - Step 2: Convert to fraction form
203,707.70/305,561.55 = 192,043.70/x - Step 3: Cross multiply
203,707.70x = 305,561.55 × 192,043.70 - Step 4: Simplify right side
203,707.70x = 58,681,170,639.74 - Step 5: Solve for x
x = 58,681,170,639.74/203,707.70 - Step 6: Final answer
x = 288,065.55
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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.