Finding the Fourth Proportional to 311,785.93, 430,265.23 and 168,545.97
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Solution
The fourth proportional to 311,785.93, 430,265.23 and 168,545.97 is: 232,593.79
Step by Step Solution
- Step 1: Write the proportion equation
311,785.93 : 430,265.23 = 168,545.97 : x - Step 2: Convert to fraction form
311,785.93/430,265.23 = 168,545.97/x - Step 3: Cross multiply
311,785.93x = 430,265.23 × 168,545.97 - Step 4: Simplify right side
311,785.93x = 72,519,470,126.26 - Step 5: Solve for x
x = 72,519,470,126.26/311,785.93 - Step 6: Final answer
x = 232,593.79
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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.