Finding the Fourth Proportional to 198,288.43, 273,536.66 and 126,593.10
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Solution
The fourth proportional to 198,288.43, 273,536.66 and 126,593.10 is: 174,633.76
Step by Step Solution
- Step 1: Write the proportion equation
198,288.43 : 273,536.66 = 126,593.10 : x - Step 2: Convert to fraction form
198,288.43/273,536.66 = 126,593.10/x - Step 3: Cross multiply
198,288.43x = 273,536.66 × 126,593.10 - Step 4: Simplify right side
198,288.43x = 34,627,854,069.53 - Step 5: Solve for x
x = 34,627,854,069.53/198,288.43 - Step 6: Final answer
x = 174,633.76
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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.