Finding the Fourth Proportional to 385,543.97, 531,100.01 and 327,998.99
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Solution
The fourth proportional to 385,543.97, 531,100.01 and 327,998.99 is: 451,829.83
Step by Step Solution
- Step 1: Write the proportion equation
385,543.97 : 531,100.01 = 327,998.99 : x - Step 2: Convert to fraction form
385,543.97/531,100.01 = 327,998.99/x - Step 3: Cross multiply
385,543.97x = 531,100.01 × 327,998.99 - Step 4: Simplify right side
385,543.97x = 174,200,266,029.30 - Step 5: Solve for x
x = 174,200,266,029.30/385,543.97 - Step 6: Final answer
x = 451,829.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.