Finding the Fourth Proportional to 150,514.13, 207,711.84 and 82,537.31
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Solution
The fourth proportional to 150,514.13, 207,711.84 and 82,537.31 is: 113,902.77
Step by Step Solution
- Step 1: Write the proportion equation
150,514.13 : 207,711.84 = 82,537.31 : x - Step 2: Convert to fraction form
150,514.13/207,711.84 = 82,537.31/x - Step 3: Cross multiply
150,514.13x = 207,711.84 × 82,537.31 - Step 4: Simplify right side
150,514.13x = 17,143,977,357.54 - Step 5: Solve for x
x = 17,143,977,357.54/150,514.13 - Step 6: Final answer
x = 113,902.77
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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.