Finding the Fourth Proportional to 132,378.21, 182,922.17 and 96,505.65
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Solution
The fourth proportional to 132,378.21, 182,922.17 and 96,505.65 is: 133,352.94
Step by Step Solution
- Step 1: Write the proportion equation
132,378.21 : 182,922.17 = 96,505.65 : x - Step 2: Convert to fraction form
132,378.21/182,922.17 = 96,505.65/x - Step 3: Cross multiply
132,378.21x = 182,922.17 × 96,505.65 - Step 4: Simplify right side
132,378.21x = 17,653,022,915.26 - Step 5: Solve for x
x = 17,653,022,915.26/132,378.21 - Step 6: Final answer
x = 133,352.94
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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.