Finding the Fourth Proportional to 236,880.99, 326,896.62 and 129,451.04
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Solution
The fourth proportional to 236,880.99, 326,896.62 and 129,451.04 is: 178,642.90
Step by Step Solution
- Step 1: Write the proportion equation
236,880.99 : 326,896.62 = 129,451.04 : x - Step 2: Convert to fraction form
236,880.99/326,896.62 = 129,451.04/x - Step 3: Cross multiply
236,880.99x = 326,896.62 × 129,451.04 - Step 4: Simplify right side
236,880.99x = 42,317,107,431.48 - Step 5: Solve for x
x = 42,317,107,431.48/236,880.99 - Step 6: Final answer
x = 178,642.90
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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.