Finding the Fourth Proportional to 304,819.20, 456,572.70 and 252,331.20
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Solution
The fourth proportional to 304,819.20, 456,572.70 and 252,331.20 is: 377,953.68
Step by Step Solution
- Step 1: Write the proportion equation
304,819.20 : 456,572.70 = 252,331.20 : x - Step 2: Convert to fraction form
304,819.20/456,572.70 = 252,331.20/x - Step 3: Cross multiply
304,819.20x = 456,572.70 × 252,331.20 - Step 4: Simplify right side
304,819.20x = 115,207,537,278.24 - Step 5: Solve for x
x = 115,207,537,278.24/304,819.20 - Step 6: Final answer
x = 377,953.68
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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.