Finding the Fourth Proportional to 263,247.80, 394,785.30 and 97,014.20
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Solution
The fourth proportional to 263,247.80, 394,785.30 and 97,014.20 is: 145,489.46
Step by Step Solution
- Step 1: Write the proportion equation
263,247.80 : 394,785.30 = 97,014.20 : x - Step 2: Convert to fraction form
263,247.80/394,785.30 = 97,014.20/x - Step 3: Cross multiply
263,247.80x = 394,785.30 × 97,014.20 - Step 4: Simplify right side
263,247.80x = 38,299,780,051.26 - Step 5: Solve for x
x = 38,299,780,051.26/263,247.80 - Step 6: Final answer
x = 145,489.46
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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.