Finding the Fourth Proportional to 448,205.11, 618,523.17 and 244,256.09
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Solution
The fourth proportional to 448,205.11, 618,523.17 and 244,256.09 is: 337,073.47
Step by Step Solution
- Step 1: Write the proportion equation
448,205.11 : 618,523.17 = 244,256.09 : x - Step 2: Convert to fraction form
448,205.11/618,523.17 = 244,256.09/x - Step 3: Cross multiply
448,205.11x = 618,523.17 × 244,256.09 - Step 4: Simplify right side
448,205.11x = 151,078,051,078.61 - Step 5: Solve for x
x = 151,078,051,078.61/448,205.11 - Step 6: Final answer
x = 337,073.47
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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.