Finding the Fourth Proportional to 203,764.87, 305,249.68 and 133,430.95
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Solution
The fourth proportional to 203,764.87, 305,249.68 and 133,430.95 is: 199,886.05
Step by Step Solution
- Step 1: Write the proportion equation
203,764.87 : 305,249.68 = 133,430.95 : x - Step 2: Convert to fraction form
203,764.87/305,249.68 = 133,430.95/x - Step 3: Cross multiply
203,764.87x = 305,249.68 × 133,430.95 - Step 4: Simplify right side
203,764.87x = 40,729,754,789.60 - Step 5: Solve for x
x = 40,729,754,789.60/203,764.87 - Step 6: Final answer
x = 199,886.05
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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.