Finding the Fourth Proportional to 132,866.28, 183,297.58 and 84,442.26
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Solution
The fourth proportional to 132,866.28, 183,297.58 and 84,442.26 is: 116,493.53
Step by Step Solution
- Step 1: Write the proportion equation
132,866.28 : 183,297.58 = 84,442.26 : x - Step 2: Convert to fraction form
132,866.28/183,297.58 = 84,442.26/x - Step 3: Cross multiply
132,866.28x = 183,297.58 × 84,442.26 - Step 4: Simplify right side
132,866.28x = 15,478,061,907.73 - Step 5: Solve for x
x = 15,478,061,907.73/132,866.28 - Step 6: Final answer
x = 116,493.53
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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.