Finding the Fourth Proportional to 427,589.11, 590,135.25 and 246,265.75
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Solution
The fourth proportional to 427,589.11, 590,135.25 and 246,265.75 is: 339,882.60
Step by Step Solution
- Step 1: Write the proportion equation
427,589.11 : 590,135.25 = 246,265.75 : x - Step 2: Convert to fraction form
427,589.11/590,135.25 = 246,265.75/x - Step 3: Cross multiply
427,589.11x = 590,135.25 × 246,265.75 - Step 4: Simplify right side
427,589.11x = 145,330,099,942.69 - Step 5: Solve for x
x = 145,330,099,942.69/427,589.11 - Step 6: Final answer
x = 339,882.60
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1.5x scale
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.