Finding the Fourth Proportional to 446,438.44, 669,751.26 and 130,869.64
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Solution
The fourth proportional to 446,438.44, 669,751.26 and 130,869.64 is: 196,331.90
Step by Step Solution
- Step 1: Write the proportion equation
446,438.44 : 669,751.26 = 130,869.64 : x - Step 2: Convert to fraction form
446,438.44/669,751.26 = 130,869.64/x - Step 3: Cross multiply
446,438.44x = 669,751.26 × 130,869.64 - Step 4: Simplify right side
446,438.44x = 87,650,106,285.75 - Step 5: Solve for x
x = 87,650,106,285.75/446,438.44 - Step 6: Final answer
x = 196,331.90
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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.