Finding the Fourth Proportional to 494,462.55, 682,371.75 and 279,634.75
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Solution
The fourth proportional to 494,462.55, 682,371.75 and 279,634.75 is: 385,903.55
Step by Step Solution
- Step 1: Write the proportion equation
494,462.55 : 682,371.75 = 279,634.75 : x - Step 2: Convert to fraction form
494,462.55/682,371.75 = 279,634.75/x - Step 3: Cross multiply
494,462.55x = 682,371.75 × 279,634.75 - Step 4: Simplify right side
494,462.55x = 190,814,853,718.31 - Step 5: Solve for x
x = 190,814,853,718.31/494,462.55 - Step 6: Final answer
x = 385,903.55
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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.