Finding the Fourth Proportional to 210,278.37, 290,178.57 and 193,350.99
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Solution
The fourth proportional to 210,278.37, 290,178.57 and 193,350.99 is: 266,819.23
Step by Step Solution
- Step 1: Write the proportion equation
210,278.37 : 290,178.57 = 193,350.99 : x - Step 2: Convert to fraction form
210,278.37/290,178.57 = 193,350.99/x - Step 3: Cross multiply
210,278.37x = 290,178.57 × 193,350.99 - Step 4: Simplify right side
210,278.37x = 56,106,313,786.28 - Step 5: Solve for x
x = 56,106,313,786.28/210,278.37 - Step 6: Final answer
x = 266,819.23
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1.5x scale
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.