Finding the Fourth Proportional to 196,338.20, 270,939.50 and 119,985.07
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Solution
The fourth proportional to 196,338.20, 270,939.50 and 119,985.07 is: 165,574.99
Step by Step Solution
- Step 1: Write the proportion equation
196,338.20 : 270,939.50 = 119,985.07 : x - Step 2: Convert to fraction form
196,338.20/270,939.50 = 119,985.07/x - Step 3: Cross multiply
196,338.20x = 270,939.50 × 119,985.07 - Step 4: Simplify right side
196,338.20x = 32,508,694,873.27 - Step 5: Solve for x
x = 32,508,694,873.27/196,338.20 - Step 6: Final answer
x = 165,574.99
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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.