Finding the Fourth Proportional to 86,370.24, 129,568.24 and 27,199.68
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Solution
The fourth proportional to 86,370.24, 129,568.24 and 27,199.68 is: 40,803.58
Step by Step Solution
- Step 1: Write the proportion equation
86,370.24 : 129,568.24 = 27,199.68 : x - Step 2: Convert to fraction form
86,370.24/129,568.24 = 27,199.68/x - Step 3: Cross multiply
86,370.24x = 129,568.24 × 27,199.68 - Step 4: Simplify right side
86,370.24x = 3,524,214,666.16 - Step 5: Solve for x
x = 3,524,214,666.16/86,370.24 - Step 6: Final answer
x = 40,803.58
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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.