Finding the Fourth Proportional to 505,209.24, 697,205.63 and 275,780.12
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Solution
The fourth proportional to 505,209.24, 697,205.63 and 275,780.12 is: 380,585.78
Step by Step Solution
- Step 1: Write the proportion equation
505,209.24 : 697,205.63 = 275,780.12 : x - Step 2: Convert to fraction form
505,209.24/697,205.63 = 275,780.12/x - Step 3: Cross multiply
505,209.24x = 697,205.63 × 275,780.12 - Step 4: Simplify right side
505,209.24x = 192,275,452,306.08 - Step 5: Solve for x
x = 192,275,452,306.08/505,209.24 - Step 6: Final answer
x = 380,585.78
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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.