Finding the Fourth Proportional to 138,183.29, 207,251.74 and 38,353.62
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Solution
The fourth proportional to 138,183.29, 207,251.74 and 38,353.62 is: 57,523.99
Step by Step Solution
- Step 1: Write the proportion equation
138,183.29 : 207,251.74 = 38,353.62 : x - Step 2: Convert to fraction form
138,183.29/207,251.74 = 38,353.62/x - Step 3: Cross multiply
138,183.29x = 207,251.74 × 38,353.62 - Step 4: Simplify right side
138,183.29x = 7,948,854,480.30 - Step 5: Solve for x
x = 7,948,854,480.30/138,183.29 - Step 6: Final answer
x = 57,523.99
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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.