Finding the Fourth Proportional to 642,251.23, 886,268.77 and 351,805.03
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Solution
The fourth proportional to 642,251.23, 886,268.77 and 351,805.03 is: 485,470.17
Step by Step Solution
- Step 1: Write the proportion equation
642,251.23 : 886,268.77 = 351,805.03 : x - Step 2: Convert to fraction form
642,251.23/886,268.77 = 351,805.03/x - Step 3: Cross multiply
642,251.23x = 886,268.77 × 351,805.03 - Step 4: Simplify right side
642,251.23x = 311,793,811,217.91 - Step 5: Solve for x
x = 311,793,811,217.91/642,251.23 - Step 6: Final answer
x = 485,470.17
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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.