Finding the Fourth Proportional to 418,239.26, 577,173.69 and 227,252.65
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Solution
The fourth proportional to 418,239.26, 577,173.69 and 227,252.65 is: 313,610.56
Step by Step Solution
- Step 1: Write the proportion equation
418,239.26 : 577,173.69 = 227,252.65 : x - Step 2: Convert to fraction form
418,239.26/577,173.69 = 227,252.65/x - Step 3: Cross multiply
418,239.26x = 577,173.69 × 227,252.65 - Step 4: Simplify right side
418,239.26x = 131,164,247,676.91 - Step 5: Solve for x
x = 131,164,247,676.91/418,239.26 - Step 6: Final answer
x = 313,610.56
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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.