Finding the Fourth Proportional to 383,858.28, 529,450.08 and 332,779.68
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Solution
The fourth proportional to 383,858.28, 529,450.08 and 332,779.68 is: 458,998.12
Step by Step Solution
- Step 1: Write the proportion equation
383,858.28 : 529,450.08 = 332,779.68 : x - Step 2: Convert to fraction form
383,858.28/529,450.08 = 332,779.68/x - Step 3: Cross multiply
383,858.28x = 529,450.08 × 332,779.68 - Step 4: Simplify right side
383,858.28x = 176,190,228,198.37 - Step 5: Solve for x
x = 176,190,228,198.37/383,858.28 - Step 6: Final answer
x = 458,998.12
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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.