Finding the Fourth Proportional to 210,278.87, 290,179.26 and 193,351.49
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Solution
The fourth proportional to 210,278.87, 290,179.26 and 193,351.49 is: 266,819.92
Step by Step Solution
- Step 1: Write the proportion equation
210,278.87 : 290,179.26 = 193,351.49 : x - Step 2: Convert to fraction form
210,278.87/290,179.26 = 193,351.49/x - Step 3: Cross multiply
210,278.87x = 290,179.26 × 193,351.49 - Step 4: Simplify right side
210,278.87x = 56,106,592,288.10 - Step 5: Solve for x
x = 56,106,592,288.10/210,278.87 - Step 6: Final answer
x = 266,819.92
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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.