Finding the Fourth Proportional to 234,961.21, 324,247.08 and 127,531.24
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Solution
The fourth proportional to 234,961.21, 324,247.08 and 127,531.24 is: 175,993.45
Step by Step Solution
- Step 1: Write the proportion equation
234,961.21 : 324,247.08 = 127,531.24 : x - Step 2: Convert to fraction form
234,961.21/324,247.08 = 127,531.24/x - Step 3: Cross multiply
234,961.21x = 324,247.08 × 127,531.24 - Step 4: Simplify right side
234,961.21x = 41,351,633,670.29 - Step 5: Solve for x
x = 41,351,633,670.29/234,961.21 - Step 6: Final answer
x = 175,993.45
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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.