Finding the Fourth Proportional to 130,183.12, 179,620.50 and 73,593.28
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Solution
The fourth proportional to 130,183.12, 179,620.50 and 73,593.28 is: 101,540.52
Step by Step Solution
- Step 1: Write the proportion equation
130,183.12 : 179,620.50 = 73,593.28 : x - Step 2: Convert to fraction form
130,183.12/179,620.50 = 73,593.28/x - Step 3: Cross multiply
130,183.12x = 179,620.50 × 73,593.28 - Step 4: Simplify right side
130,183.12x = 13,218,861,750.24 - Step 5: Solve for x
x = 13,218,861,750.24/130,183.12 - Step 6: Final answer
x = 101,540.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.