Finding the Fourth Proportional to 216,580.24, 324,848.94 and 66,780.10
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Solution
The fourth proportional to 216,580.24, 324,848.94 and 66,780.10 is: 100,163.55
Step by Step Solution
- Step 1: Write the proportion equation
216,580.24 : 324,848.94 = 66,780.10 : x - Step 2: Convert to fraction form
216,580.24/324,848.94 = 66,780.10/x - Step 3: Cross multiply
216,580.24x = 324,848.94 × 66,780.10 - Step 4: Simplify right side
216,580.24x = 21,693,444,698.09 - Step 5: Solve for x
x = 21,693,444,698.09/216,580.24 - Step 6: Final answer
x = 100,163.55
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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.