Finding the Fourth Proportional to 494,195.05, 682,001.00 and 279,335.94
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Solution
The fourth proportional to 494,195.05, 682,001.00 and 279,335.94 is: 385,490.28
Step by Step Solution
- Step 1: Write the proportion equation
494,195.05 : 682,001.00 = 279,335.94 : x - Step 2: Convert to fraction form
494,195.05/682,001.00 = 279,335.94/x - Step 3: Cross multiply
494,195.05x = 682,001.00 × 279,335.94 - Step 4: Simplify right side
494,195.05x = 190,507,389,019.26 - Step 5: Solve for x
x = 190,507,389,019.26/494,195.05 - Step 6: Final answer
x = 385,490.28
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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.