Finding the Fourth Proportional to 214,888.49, 321,889.76 and 125,872.12
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Solution
The fourth proportional to 214,888.49, 321,889.76 and 125,872.12 is: 188,548.70
Step by Step Solution
- Step 1: Write the proportion equation
214,888.49 : 321,889.76 = 125,872.12 : x - Step 2: Convert to fraction form
214,888.49/321,889.76 = 125,872.12/x - Step 3: Cross multiply
214,888.49x = 321,889.76 × 125,872.12 - Step 4: Simplify right side
214,888.49x = 40,516,944,258.68 - Step 5: Solve for x
x = 40,516,944,258.68/214,888.49 - Step 6: Final answer
x = 188,548.70
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1.5x scale
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.