Finding the Fourth Proportional to 345,757.68, 518,833.26 and 276,079.80
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Solution
The fourth proportional to 345,757.68, 518,833.26 and 276,079.80 is: 414,276.79
Step by Step Solution
- Step 1: Write the proportion equation
345,757.68 : 518,833.26 = 276,079.80 : x - Step 2: Convert to fraction form
345,757.68/518,833.26 = 276,079.80/x - Step 3: Cross multiply
345,757.68x = 518,833.26 × 276,079.80 - Step 4: Simplify right side
345,757.68x = 143,239,382,654.15 - Step 5: Solve for x
x = 143,239,382,654.15/345,757.68 - Step 6: Final answer
x = 414,276.79
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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.