Finding the Fourth Proportional to 225,744.53, 311,540.18 and 133,918.18
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Solution
The fourth proportional to 225,744.53, 311,540.18 and 133,918.18 is: 184,814.63
Step by Step Solution
- Step 1: Write the proportion equation
225,744.53 : 311,540.18 = 133,918.18 : x - Step 2: Convert to fraction form
225,744.53/311,540.18 = 133,918.18/x - Step 3: Cross multiply
225,744.53x = 311,540.18 × 133,918.18 - Step 4: Simplify right side
225,744.53x = 41,720,892,454.03 - Step 5: Solve for x
x = 41,720,892,454.03/225,744.53 - Step 6: Final answer
x = 184,814.63
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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.