Finding the Fourth Proportional to 431,206.30, 590,754.76 and 415,044.99
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Solution
The fourth proportional to 431,206.30, 590,754.76 and 415,044.99 is: 568,613.69
Step by Step Solution
- Step 1: Write the proportion equation
431,206.30 : 590,754.76 = 415,044.99 : x - Step 2: Convert to fraction form
431,206.30/590,754.76 = 415,044.99/x - Step 3: Cross multiply
431,206.30x = 590,754.76 × 415,044.99 - Step 4: Simplify right side
431,206.30x = 245,189,803,456.65 - Step 5: Solve for x
x = 245,189,803,456.65/431,206.30 - Step 6: Final answer
x = 568,613.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.