Finding the Fourth Proportional to 446,769.93, 669,778.08 and 193,860.26
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Solution
The fourth proportional to 446,769.93, 669,778.08 and 193,860.26 is: 290,626.88
Step by Step Solution
- Step 1: Write the proportion equation
446,769.93 : 669,778.08 = 193,860.26 : x - Step 2: Convert to fraction form
446,769.93/669,778.08 = 193,860.26/x - Step 3: Cross multiply
446,769.93x = 669,778.08 × 193,860.26 - Step 4: Simplify right side
446,769.93x = 129,843,352,731.10 - Step 5: Solve for x
x = 129,843,352,731.10/446,769.93 - Step 6: Final answer
x = 290,626.88
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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.