Finding the Fourth Proportional to 239,879.40, 331,027.25 and 132,447.12
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Solution
The fourth proportional to 239,879.40, 331,027.25 and 132,447.12 is: 182,773.53
Step by Step Solution
- Step 1: Write the proportion equation
239,879.40 : 331,027.25 = 132,447.12 : x - Step 2: Convert to fraction form
239,879.40/331,027.25 = 132,447.12/x - Step 3: Cross multiply
239,879.40x = 331,027.25 × 132,447.12 - Step 4: Simplify right side
239,879.40x = 43,843,605,241.78 - Step 5: Solve for x
x = 43,843,605,241.78/239,879.40 - Step 6: Final answer
x = 182,773.53
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1.5x scale
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.