Finding the Fourth Proportional to 332,801.28, 459,201.84 and 189,558.12
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Solution
The fourth proportional to 332,801.28, 459,201.84 and 189,558.12 is: 261,553.79
Step by Step Solution
- Step 1: Write the proportion equation
332,801.28 : 459,201.84 = 189,558.12 : x - Step 2: Convert to fraction form
332,801.28/459,201.84 = 189,558.12/x - Step 3: Cross multiply
332,801.28x = 459,201.84 × 189,558.12 - Step 4: Simplify right side
332,801.28x = 87,045,437,490.94 - Step 5: Solve for x
x = 87,045,437,490.94/332,801.28 - Step 6: Final answer
x = 261,553.79
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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.