Finding the Fourth Proportional to 214,888.64, 321,889.98 and 125,872.28
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Solution
The fourth proportional to 214,888.64, 321,889.98 and 125,872.28 is: 188,548.94
Step by Step Solution
- Step 1: Write the proportion equation
214,888.64 : 321,889.98 = 125,872.28 : x - Step 2: Convert to fraction form
214,888.64/321,889.98 = 125,872.28/x - Step 3: Cross multiply
214,888.64x = 321,889.98 × 125,872.28 - Step 4: Simplify right side
214,888.64x = 40,517,024,082.30 - Step 5: Solve for x
x = 40,517,024,082.30/214,888.64 - Step 6: Final answer
x = 188,548.94
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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.