Finding the Fourth Proportional to 180,121.23, 248,380.36 and 154,711.13
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Solution
The fourth proportional to 180,121.23, 248,380.36 and 154,711.13 is: 213,340.78
Step by Step Solution
- Step 1: Write the proportion equation
180,121.23 : 248,380.36 = 154,711.13 : x - Step 2: Convert to fraction form
180,121.23/248,380.36 = 154,711.13/x - Step 3: Cross multiply
180,121.23x = 248,380.36 × 154,711.13 - Step 4: Simplify right side
180,121.23x = 38,427,204,536.73 - Step 5: Solve for x
x = 38,427,204,536.73/180,121.23 - Step 6: Final answer
x = 213,340.78
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1.5x scale
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.