Finding the Fourth Proportional to 263,438.10, 394,235.55 and 241,319.70
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Solution
The fourth proportional to 263,438.10, 394,235.55 and 241,319.70 is: 361,135.33
Step by Step Solution
- Step 1: Write the proportion equation
263,438.10 : 394,235.55 = 241,319.70 : x - Step 2: Convert to fraction form
263,438.10/394,235.55 = 241,319.70/x - Step 3: Cross multiply
263,438.10x = 394,235.55 × 241,319.70 - Step 4: Simplify right side
263,438.10x = 95,136,804,655.34 - Step 5: Solve for x
x = 95,136,804,655.34/263,438.10 - Step 6: Final answer
x = 361,135.33
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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.