Finding the Fourth Proportional to 252,558.99, 378,942.36 and 185,433.79
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Solution
The fourth proportional to 252,558.99, 378,942.36 and 185,433.79 is: 278,226.95
Step by Step Solution
- Step 1: Write the proportion equation
252,558.99 : 378,942.36 = 185,433.79 : x - Step 2: Convert to fraction form
252,558.99/378,942.36 = 185,433.79/x - Step 3: Cross multiply
252,558.99x = 378,942.36 × 185,433.79 - Step 4: Simplify right side
252,558.99x = 70,268,718,006.34 - Step 5: Solve for x
x = 70,268,718,006.34/252,558.99 - Step 6: Final answer
x = 278,226.95
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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.