Finding the Fourth Proportional to 355,785.44, 490,996.08 and 202,845.92
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Solution
The fourth proportional to 355,785.44, 490,996.08 and 202,845.92 is: 279,934.31
Step by Step Solution
- Step 1: Write the proportion equation
355,785.44 : 490,996.08 = 202,845.92 : x - Step 2: Convert to fraction form
355,785.44/490,996.08 = 202,845.92/x - Step 3: Cross multiply
355,785.44x = 490,996.08 × 202,845.92 - Step 4: Simplify right side
355,785.44x = 99,596,551,563.99 - Step 5: Solve for x
x = 99,596,551,563.99/355,785.44 - Step 6: Final answer
x = 279,934.31
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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.