Finding the Fourth Proportional to 505,207.42, 697,203.13 and 275,778.31
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Solution
The fourth proportional to 505,207.42, 697,203.13 and 275,778.31 is: 380,583.28
Step by Step Solution
- Step 1: Write the proportion equation
505,207.42 : 697,203.13 = 275,778.31 : x - Step 2: Convert to fraction form
505,207.42/697,203.13 = 275,778.31/x - Step 3: Cross multiply
505,207.42x = 697,203.13 × 275,778.31 - Step 4: Simplify right side
505,207.42x = 192,273,498,747.83 - Step 5: Solve for x
x = 192,273,498,747.83/505,207.42 - Step 6: Final answer
x = 380,583.28
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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.