Finding the Fourth Proportional to 214,941.72, 321,918.24 and 124,761.09
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Solution
The fourth proportional to 214,941.72, 321,918.24 and 124,761.09 is: 186,854.70
Step by Step Solution
- Step 1: Write the proportion equation
214,941.72 : 321,918.24 = 124,761.09 : x - Step 2: Convert to fraction form
214,941.72/321,918.24 = 124,761.09/x - Step 3: Cross multiply
214,941.72x = 321,918.24 × 124,761.09 - Step 4: Simplify right side
214,941.72x = 40,162,870,513.28 - Step 5: Solve for x
x = 40,162,870,513.28/214,941.72 - Step 6: Final answer
x = 186,854.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.