Finding the Fourth Proportional to 225,541.48, 311,247.49 and 122,175.92
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Solution
The fourth proportional to 225,541.48, 311,247.49 and 122,175.92 is: 168,602.90
Step by Step Solution
- Step 1: Write the proportion equation
225,541.48 : 311,247.49 = 122,175.92 : x - Step 2: Convert to fraction form
225,541.48/311,247.49 = 122,175.92/x - Step 3: Cross multiply
225,541.48x = 311,247.49 × 122,175.92 - Step 4: Simplify right side
225,541.48x = 38,026,948,438.44 - Step 5: Solve for x
x = 38,026,948,438.44/225,541.48 - Step 6: Final answer
x = 168,602.90
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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.