Finding the Fourth Proportional to 339,480.97, 509,218.21 and 206,397.97
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Solution
The fourth proportional to 339,480.97, 509,218.21 and 206,397.97 is: 309,594.98
Step by Step Solution
- Step 1: Write the proportion equation
339,480.97 : 509,218.21 = 206,397.97 : x - Step 2: Convert to fraction form
339,480.97/509,218.21 = 206,397.97/x - Step 3: Cross multiply
339,480.97x = 509,218.21 × 206,397.97 - Step 4: Simplify right side
339,480.97x = 105,101,605,157.77 - Step 5: Solve for x
x = 105,101,605,157.77/339,480.97 - Step 6: Final answer
x = 309,594.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.