Finding the Fourth Proportional to 150,092.39, 207,129.14 and 82,107.91
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Solution
The fourth proportional to 150,092.39, 207,129.14 and 82,107.91 is: 113,309.80
Step by Step Solution
- Step 1: Write the proportion equation
150,092.39 : 207,129.14 = 82,107.91 : x - Step 2: Convert to fraction form
150,092.39/207,129.14 = 82,107.91/x - Step 3: Cross multiply
150,092.39x = 207,129.14 × 82,107.91 - Step 4: Simplify right side
150,092.39x = 17,006,939,339.31 - Step 5: Solve for x
x = 17,006,939,339.31/150,092.39 - Step 6: Final answer
x = 113,309.80
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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.