Finding the Fourth Proportional to 326,337.25, 450,373.91 and 190,414.99
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Solution
The fourth proportional to 326,337.25, 450,373.91 and 190,414.99 is: 262,789.32
Step by Step Solution
- Step 1: Write the proportion equation
326,337.25 : 450,373.91 = 190,414.99 : x - Step 2: Convert to fraction form
326,337.25/450,373.91 = 190,414.99/x - Step 3: Cross multiply
326,337.25x = 450,373.91 × 190,414.99 - Step 4: Simplify right side
326,337.25x = 85,757,943,568.91 - Step 5: Solve for x
x = 85,757,943,568.91/326,337.25 - Step 6: Final answer
x = 262,789.32
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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.