Finding the Fourth Proportional to 87,235.77, 130,856.97 and 27,269.76
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Solution
The fourth proportional to 87,235.77, 130,856.97 and 27,269.76 is: 40,905.68
Step by Step Solution
- Step 1: Write the proportion equation
87,235.77 : 130,856.97 = 27,269.76 : x - Step 2: Convert to fraction form
87,235.77/130,856.97 = 27,269.76/x - Step 3: Cross multiply
87,235.77x = 130,856.97 × 27,269.76 - Step 4: Simplify right side
87,235.77x = 3,568,438,166.23 - Step 5: Solve for x
x = 3,568,438,166.23/87,235.77 - Step 6: Final answer
x = 40,905.68
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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.