Finding the Fourth Proportional to 225,886.68, 311,723.72 and 125,284.68
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Solution
The fourth proportional to 225,886.68, 311,723.72 and 125,284.68 is: 172,892.91
Step by Step Solution
- Step 1: Write the proportion equation
225,886.68 : 311,723.72 = 125,284.68 : x - Step 2: Convert to fraction form
225,886.68/311,723.72 = 125,284.68/x - Step 3: Cross multiply
225,886.68x = 311,723.72 × 125,284.68 - Step 4: Simplify right side
225,886.68x = 39,054,205,882.19 - Step 5: Solve for x
x = 39,054,205,882.19/225,886.68 - Step 6: Final answer
x = 172,892.91
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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.