Finding the Fourth Proportional to 190,109.28, 285,163.92 and 49,867.68
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Solution
The fourth proportional to 190,109.28, 285,163.92 and 49,867.68 is: 74,801.52
Step by Step Solution
- Step 1: Write the proportion equation
190,109.28 : 285,163.92 = 49,867.68 : x - Step 2: Convert to fraction form
190,109.28/285,163.92 = 49,867.68/x - Step 3: Cross multiply
190,109.28x = 285,163.92 × 49,867.68 - Step 4: Simplify right side
190,109.28x = 14,220,463,110.11 - Step 5: Solve for x
x = 14,220,463,110.11/190,109.28 - Step 6: Final answer
x = 74,801.52
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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.