Finding the Fourth Proportional to 150,538.25, 207,747.36 and 82,558.05
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Solution
The fourth proportional to 150,538.25, 207,747.36 and 82,558.05 is: 113,932.62
Step by Step Solution
- Step 1: Write the proportion equation
150,538.25 : 207,747.36 = 82,558.05 : x - Step 2: Convert to fraction form
150,538.25/207,747.36 = 82,558.05/x - Step 3: Cross multiply
150,538.25x = 207,747.36 × 82,558.05 - Step 4: Simplify right side
150,538.25x = 17,151,216,934.25 - Step 5: Solve for x
x = 17,151,216,934.25/150,538.25 - Step 6: Final answer
x = 113,932.62
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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.