Finding the Fourth Proportional to 505,211.74, 697,209.08 and 275,782.62
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Solution
The fourth proportional to 505,211.74, 697,209.08 and 275,782.62 is: 380,589.23
Step by Step Solution
- Step 1: Write the proportion equation
505,211.74 : 697,209.08 = 275,782.62 : x - Step 2: Convert to fraction form
505,211.74/697,209.08 = 275,782.62/x - Step 3: Cross multiply
505,211.74x = 697,209.08 × 275,782.62 - Step 4: Simplify right side
505,211.74x = 192,278,146,770.19 - Step 5: Solve for x
x = 192,278,146,770.19/505,211.74 - Step 6: Final answer
x = 380,589.23
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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.