Finding the Fourth Proportional to 263,232.40, 394,589.40 and 130,133.20
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Solution
The fourth proportional to 263,232.40, 394,589.40 and 130,133.20 is: 195,071.66
Step by Step Solution
- Step 1: Write the proportion equation
263,232.40 : 394,589.40 = 130,133.20 : x - Step 2: Convert to fraction form
263,232.40/394,589.40 = 130,133.20/x - Step 3: Cross multiply
263,232.40x = 394,589.40 × 130,133.20 - Step 4: Simplify right side
263,232.40x = 51,349,181,308.08 - Step 5: Solve for x
x = 51,349,181,308.08/263,232.40 - Step 6: Final answer
x = 195,071.66
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1.5x scale
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.