Finding the Fourth Proportional to 411,229.23, 567,469.98 and 229,956.09
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Solution
The fourth proportional to 411,229.23, 567,469.98 and 229,956.09 is: 317,324.67
Step by Step Solution
- Step 1: Write the proportion equation
411,229.23 : 567,469.98 = 229,956.09 : x - Step 2: Convert to fraction form
411,229.23/567,469.98 = 229,956.09/x - Step 3: Cross multiply
411,229.23x = 567,469.98 × 229,956.09 - Step 4: Simplify right side
411,229.23x = 130,493,177,793.18 - Step 5: Solve for x
x = 130,493,177,793.18/411,229.23 - Step 6: Final answer
x = 317,324.67
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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.