Finding the Fourth Proportional to 311,389.36, 467,083.88 and 101,027.28
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Solution
The fourth proportional to 311,389.36, 467,083.88 and 101,027.28 is: 151,540.87
Step by Step Solution
- Step 1: Write the proportion equation
311,389.36 : 467,083.88 = 101,027.28 : x - Step 2: Convert to fraction form
311,389.36/467,083.88 = 101,027.28/x - Step 3: Cross multiply
311,389.36x = 467,083.88 × 101,027.28 - Step 4: Simplify right side
311,389.36x = 47,188,213,928.25 - Step 5: Solve for x
x = 47,188,213,928.25/311,389.36 - Step 6: Final answer
x = 151,540.87
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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.