Finding the Fourth Proportional to 391,243.97, 586,846.62 and 229,229.80
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Solution
The fourth proportional to 391,243.97, 586,846.62 and 229,229.80 is: 343,833.37
Step by Step Solution
- Step 1: Write the proportion equation
391,243.97 : 586,846.62 = 229,229.80 : x - Step 2: Convert to fraction form
391,243.97/586,846.62 = 229,229.80/x - Step 3: Cross multiply
391,243.97x = 586,846.62 × 229,229.80 - Step 4: Simplify right side
391,243.97x = 134,522,731,866.16 - Step 5: Solve for x
x = 134,522,731,866.16/391,243.97 - Step 6: Final answer
x = 343,833.37
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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.