Finding the Fourth Proportional to 396,864.99, 547,455.54 and 251,404.38
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Solution
The fourth proportional to 396,864.99, 547,455.54 and 251,404.38 is: 346,799.85
Step by Step Solution
- Step 1: Write the proportion equation
396,864.99 : 547,455.54 = 251,404.38 : x - Step 2: Convert to fraction form
396,864.99/547,455.54 = 251,404.38/x - Step 3: Cross multiply
396,864.99x = 547,455.54 × 251,404.38 - Step 4: Simplify right side
396,864.99x = 137,632,720,611.27 - Step 5: Solve for x
x = 137,632,720,611.27/396,864.99 - Step 6: Final answer
x = 346,799.85
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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.