Finding the Fourth Proportional to 225,956.08, 311,819.76 and 125,354.08
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Solution
The fourth proportional to 225,956.08, 311,819.76 and 125,354.08 is: 172,988.84
Step by Step Solution
- Step 1: Write the proportion equation
225,956.08 : 311,819.76 = 125,354.08 : x - Step 2: Convert to fraction form
225,956.08/311,819.76 = 125,354.08/x - Step 3: Cross multiply
225,956.08x = 311,819.76 × 125,354.08 - Step 4: Simplify right side
225,956.08x = 39,087,879,140.62 - Step 5: Solve for x
x = 39,087,879,140.62/225,956.08 - Step 6: Final answer
x = 172,988.84
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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.