Finding the Fourth Proportional to 214,768.80, 296,362.80 and 129,880.80
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Solution
The fourth proportional to 214,768.80, 296,362.80 and 129,880.80 is: 179,224.53
Step by Step Solution
- Step 1: Write the proportion equation
214,768.80 : 296,362.80 = 129,880.80 : x - Step 2: Convert to fraction form
214,768.80/296,362.80 = 129,880.80/x - Step 3: Cross multiply
214,768.80x = 296,362.80 × 129,880.80 - Step 4: Simplify right side
214,768.80x = 38,491,837,554.24 - Step 5: Solve for x
x = 38,491,837,554.24/214,768.80 - Step 6: Final answer
x = 179,224.53
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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.