Finding the Fourth Proportional to 274,311.36, 378,568.08 and 153,463.68
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Solution
The fourth proportional to 274,311.36, 378,568.08 and 153,463.68 is: 211,790.17
Step by Step Solution
- Step 1: Write the proportion equation
274,311.36 : 378,568.08 = 153,463.68 : x - Step 2: Convert to fraction form
274,311.36/378,568.08 = 153,463.68/x - Step 3: Cross multiply
274,311.36x = 378,568.08 × 153,463.68 - Step 4: Simplify right side
274,311.36x = 58,096,450,687.33 - Step 5: Solve for x
x = 58,096,450,687.33/274,311.36 - Step 6: Final answer
x = 211,790.17
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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.