Finding the Fourth Proportional to 252,739.42, 379,101.81 and 102,942.65
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Solution
The fourth proportional to 252,739.42, 379,101.81 and 102,942.65 is: 154,410.99
Step by Step Solution
- Step 1: Write the proportion equation
252,739.42 : 379,101.81 = 102,942.65 : x - Step 2: Convert to fraction form
252,739.42/379,101.81 = 102,942.65/x - Step 3: Cross multiply
252,739.42x = 379,101.81 × 102,942.65 - Step 4: Simplify right side
252,739.42x = 39,025,744,941.20 - Step 5: Solve for x
x = 39,025,744,941.20/252,739.42 - Step 6: Final answer
x = 154,410.99
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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.