Finding the Fourth Proportional to 235,305.11, 324,728.87 and 138,491.42
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Solution
The fourth proportional to 235,305.11, 324,728.87 and 138,491.42 is: 191,122.75
Step by Step Solution
- Step 1: Write the proportion equation
235,305.11 : 324,728.87 = 138,491.42 : x - Step 2: Convert to fraction form
235,305.11/324,728.87 = 138,491.42/x - Step 3: Cross multiply
235,305.11x = 324,728.87 × 138,491.42 - Step 4: Simplify right side
235,305.11x = 44,972,160,005.19 - Step 5: Solve for x
x = 44,972,160,005.19/235,305.11 - Step 6: Final answer
x = 191,122.75
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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.