Finding the Fourth Proportional to 403,793.28, 557,234.74 and 234,125.82
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Solution
The fourth proportional to 403,793.28, 557,234.74 and 234,125.82 is: 323,093.64
Step by Step Solution
- Step 1: Write the proportion equation
403,793.28 : 557,234.74 = 234,125.82 : x - Step 2: Convert to fraction form
403,793.28/557,234.74 = 234,125.82/x - Step 3: Cross multiply
403,793.28x = 557,234.74 × 234,125.82 - Step 4: Simplify right side
403,793.28x = 130,463,040,434.99 - Step 5: Solve for x
x = 130,463,040,434.99/403,793.28 - Step 6: Final answer
x = 323,093.64
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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.