Finding the Fourth Proportional to 226,768.70, 312,940.86 and 124,794.17
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Solution
The fourth proportional to 226,768.70, 312,940.86 and 124,794.17 is: 172,215.98
Step by Step Solution
- Step 1: Write the proportion equation
226,768.70 : 312,940.86 = 124,794.17 : x - Step 2: Convert to fraction form
226,768.70/312,940.86 = 124,794.17/x - Step 3: Cross multiply
226,768.70x = 312,940.86 × 124,794.17 - Step 4: Simplify right side
226,768.70x = 39,053,193,318.08 - Step 5: Solve for x
x = 39,053,193,318.08/226,768.70 - Step 6: Final answer
x = 172,215.98
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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.