Finding the Fourth Proportional to 236,466.62, 326,324.76 and 129,039.02
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Solution
The fourth proportional to 236,466.62, 326,324.76 and 129,039.02 is: 178,074.30
Step by Step Solution
- Step 1: Write the proportion equation
236,466.62 : 326,324.76 = 129,039.02 : x - Step 2: Convert to fraction form
236,466.62/326,324.76 = 129,039.02/x - Step 3: Cross multiply
236,466.62x = 326,324.76 × 129,039.02 - Step 4: Simplify right side
236,466.62x = 42,108,627,232.14 - Step 5: Solve for x
x = 42,108,627,232.14/236,466.62 - Step 6: Final answer
x = 178,074.30
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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.