Finding the Fourth Proportional to 225,529.92, 311,230.62 and 130,035.78
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Solution
The fourth proportional to 225,529.92, 311,230.62 and 130,035.78 is: 179,448.99
Step by Step Solution
- Step 1: Write the proportion equation
225,529.92 : 311,230.62 = 130,035.78 : x - Step 2: Convert to fraction form
225,529.92/311,230.62 = 130,035.78/x - Step 3: Cross multiply
225,529.92x = 311,230.62 × 130,035.78 - Step 4: Simplify right side
225,529.92x = 40,471,116,431.58 - Step 5: Solve for x
x = 40,471,116,431.58/225,529.92 - Step 6: Final answer
x = 179,448.99
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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.