Finding the Fourth Proportional to 150,859.21, 226,382.26 and 87,709.05
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Solution
The fourth proportional to 150,859.21, 226,382.26 and 87,709.05 is: 131,617.90
Step by Step Solution
- Step 1: Write the proportion equation
150,859.21 : 226,382.26 = 87,709.05 : x - Step 2: Convert to fraction form
150,859.21/226,382.26 = 87,709.05/x - Step 3: Cross multiply
150,859.21x = 226,382.26 × 87,709.05 - Step 4: Simplify right side
150,859.21x = 19,855,772,961.45 - Step 5: Solve for x
x = 19,855,772,961.45/150,859.21 - Step 6: Final answer
x = 131,617.90
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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.