Finding the Fourth Proportional to 442,846.51, 664,375.17 and 143,327.09
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Solution
The fourth proportional to 442,846.51, 664,375.17 and 143,327.09 is: 215,024.75
Step by Step Solution
- Step 1: Write the proportion equation
442,846.51 : 664,375.17 = 143,327.09 : x - Step 2: Convert to fraction form
442,846.51/664,375.17 = 143,327.09/x - Step 3: Cross multiply
442,846.51x = 664,375.17 × 143,327.09 - Step 4: Simplify right side
442,846.51x = 95,222,959,784.36 - Step 5: Solve for x
x = 95,222,959,784.36/442,846.51 - Step 6: Final answer
x = 215,024.75
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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.