Finding the Fourth Proportional to 138,183.41, 207,251.93 and 38,353.75
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Solution
The fourth proportional to 138,183.41, 207,251.93 and 38,353.75 is: 57,524.19
Step by Step Solution
- Step 1: Write the proportion equation
138,183.41 : 207,251.93 = 38,353.75 : x - Step 2: Convert to fraction form
138,183.41/207,251.93 = 38,353.75/x - Step 3: Cross multiply
138,183.41x = 207,251.93 × 38,353.75 - Step 4: Simplify right side
138,183.41x = 7,948,888,287.99 - Step 5: Solve for x
x = 7,948,888,287.99/138,183.41 - Step 6: Final answer
x = 57,524.19
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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.