Finding the Fourth Proportional to 419,680.08, 629,458.62 and 206,390.68
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Solution
The fourth proportional to 419,680.08, 629,458.62 and 206,390.68 is: 309,555.78
Step by Step Solution
- Step 1: Write the proportion equation
419,680.08 : 629,458.62 = 206,390.68 : x - Step 2: Convert to fraction form
419,680.08/629,458.62 = 206,390.68/x - Step 3: Cross multiply
419,680.08x = 629,458.62 × 206,390.68 - Step 4: Simplify right side
419,680.08x = 129,914,392,613.66 - Step 5: Solve for x
x = 129,914,392,613.66/419,680.08 - Step 6: Final answer
x = 309,555.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.