Finding the Fourth Proportional to 304,793.08, 420,819.96 and 190,246.20
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Solution
The fourth proportional to 304,793.08, 420,819.96 and 190,246.20 is: 262,668.03
Step by Step Solution
- Step 1: Write the proportion equation
304,793.08 : 420,819.96 = 190,246.20 : x - Step 2: Convert to fraction form
304,793.08/420,819.96 = 190,246.20/x - Step 3: Cross multiply
304,793.08x = 420,819.96 × 190,246.20 - Step 4: Simplify right side
304,793.08x = 80,059,398,274.15 - Step 5: Solve for x
x = 80,059,398,274.15/304,793.08 - Step 6: Final answer
x = 262,668.03
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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.