Finding the Fourth Proportional to 422,377.22, 633,433.33 and 138,002.99
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Solution
The fourth proportional to 422,377.22, 633,433.33 and 138,002.99 is: 206,961.19
Step by Step Solution
- Step 1: Write the proportion equation
422,377.22 : 633,433.33 = 138,002.99 : x - Step 2: Convert to fraction form
422,377.22/633,433.33 = 138,002.99/x - Step 3: Cross multiply
422,377.22x = 633,433.33 × 138,002.99 - Step 4: Simplify right side
422,377.22x = 87,415,693,505.66 - Step 5: Solve for x
x = 87,415,693,505.66/422,377.22 - Step 6: Final answer
x = 206,961.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.