Finding the Fourth Proportional to 263,207.76, 394,986.60 and 122,977.32
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Solution
The fourth proportional to 263,207.76, 394,986.60 and 122,977.32 is: 184,547.73
Step by Step Solution
- Step 1: Write the proportion equation
263,207.76 : 394,986.60 = 122,977.32 : x - Step 2: Convert to fraction form
263,207.76/394,986.60 = 122,977.32/x - Step 3: Cross multiply
263,207.76x = 394,986.60 × 122,977.32 - Step 4: Simplify right side
263,207.76x = 48,574,393,503.91 - Step 5: Solve for x
x = 48,574,393,503.91/263,207.76 - Step 6: Final answer
x = 184,547.73
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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.