Finding the Fourth Proportional to 436,723.29, 655,077.63 and 196,703.70
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Solution
The fourth proportional to 436,723.29, 655,077.63 and 196,703.70 is: 295,052.26
Step by Step Solution
- Step 1: Write the proportion equation
436,723.29 : 655,077.63 = 196,703.70 : x - Step 2: Convert to fraction form
436,723.29/655,077.63 = 196,703.70/x - Step 3: Cross multiply
436,723.29x = 655,077.63 × 196,703.70 - Step 4: Simplify right side
436,723.29x = 128,856,193,608.23 - Step 5: Solve for x
x = 128,856,193,608.23/436,723.29 - Step 6: Final answer
x = 295,052.26
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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.