Finding the Fourth Proportional to 511,930.13, 767,297.27 and 385,163.10
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Solution
The fourth proportional to 511,930.13, 767,297.27 and 385,163.10 is: 577,294.79
Step by Step Solution
- Step 1: Write the proportion equation
511,930.13 : 767,297.27 = 385,163.10 : x - Step 2: Convert to fraction form
511,930.13/767,297.27 = 385,163.10/x - Step 3: Cross multiply
511,930.13x = 767,297.27 × 385,163.10 - Step 4: Simplify right side
511,930.13x = 295,534,596,097.65 - Step 5: Solve for x
x = 295,534,596,097.65/511,930.13 - Step 6: Final answer
x = 577,294.79
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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.