Finding the Fourth Proportional to 505,073.97, 697,006.14 and 275,633.07
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Solution
The fourth proportional to 505,073.97, 697,006.14 and 275,633.07 is: 380,375.85
Step by Step Solution
- Step 1: Write the proportion equation
505,073.97 : 697,006.14 = 275,633.07 : x - Step 2: Convert to fraction form
505,073.97/697,006.14 = 275,633.07/x - Step 3: Cross multiply
505,073.97x = 697,006.14 × 275,633.07 - Step 4: Simplify right side
505,073.97x = 192,117,942,177.05 - Step 5: Solve for x
x = 192,117,942,177.05/505,073.97 - Step 6: Final answer
x = 380,375.85
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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.