Finding the Fourth Proportional to 446,958.72, 669,538.08 and 206,734.08
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Solution
The fourth proportional to 446,958.72, 669,538.08 and 206,734.08 is: 309,684.84
Step by Step Solution
- Step 1: Write the proportion equation
446,958.72 : 669,538.08 = 206,734.08 : x - Step 2: Convert to fraction form
446,958.72/669,538.08 = 206,734.08/x - Step 3: Cross multiply
446,958.72x = 669,538.08 × 206,734.08 - Step 4: Simplify right side
446,958.72x = 138,416,338,993.77 - Step 5: Solve for x
x = 138,416,338,993.77/446,958.72 - Step 6: Final answer
x = 309,684.84
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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.