Finding the Fourth Proportional to 218,062.10, 327,028.35 and 84,865.70
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Solution
The fourth proportional to 218,062.10, 327,028.35 and 84,865.70 is: 127,273.33
Step by Step Solution
- Step 1: Write the proportion equation
218,062.10 : 327,028.35 = 84,865.70 : x - Step 2: Convert to fraction form
218,062.10/327,028.35 = 84,865.70/x - Step 3: Cross multiply
218,062.10x = 327,028.35 × 84,865.70 - Step 4: Simplify right side
218,062.10x = 27,753,489,842.60 - Step 5: Solve for x
x = 27,753,489,842.60/218,062.10 - Step 6: Final answer
x = 127,273.33
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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.