Finding the Fourth Proportional to 440,109.09, 660,198.87 and 140,631.84
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Solution
The fourth proportional to 440,109.09, 660,198.87 and 140,631.84 is: 210,959.02
Step by Step Solution
- Step 1: Write the proportion equation
440,109.09 : 660,198.87 = 140,631.84 : x - Step 2: Convert to fraction form
440,109.09/660,198.87 = 140,631.84/x - Step 3: Cross multiply
440,109.09x = 660,198.87 × 140,631.84 - Step 4: Simplify right side
440,109.09x = 92,844,981,854.02 - Step 5: Solve for x
x = 92,844,981,854.02/440,109.09 - Step 6: Final answer
x = 210,959.02
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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.