Finding the Fourth Proportional to 235,269.81, 324,671.70 and 127,839.84
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Solution
The fourth proportional to 235,269.81, 324,671.70 and 127,839.84 is: 176,418.63
Step by Step Solution
- Step 1: Write the proportion equation
235,269.81 : 324,671.70 = 127,839.84 : x - Step 2: Convert to fraction form
235,269.81/324,671.70 = 127,839.84/x - Step 3: Cross multiply
235,269.81x = 324,671.70 × 127,839.84 - Step 4: Simplify right side
235,269.81x = 41,505,978,180.53 - Step 5: Solve for x
x = 41,505,978,180.53/235,269.81 - Step 6: Final answer
x = 176,418.63
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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.