Finding the Fourth Proportional to 225,544.23, 311,251.29 and 122,178.67
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Solution
The fourth proportional to 225,544.23, 311,251.29 and 122,178.67 is: 168,606.70
Step by Step Solution
- Step 1: Write the proportion equation
225,544.23 : 311,251.29 = 122,178.67 : x - Step 2: Convert to fraction form
225,544.23/311,251.29 = 122,178.67/x - Step 3: Cross multiply
225,544.23x = 311,251.29 × 122,178.67 - Step 4: Simplify right side
225,544.23x = 38,028,268,578.88 - Step 5: Solve for x
x = 38,028,268,578.88/225,544.23 - Step 6: Final answer
x = 168,606.70
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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.