Finding the Fourth Proportional to 653,231.53, 979,465.92 and 253,405.09
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Solution
The fourth proportional to 653,231.53, 979,465.92 and 253,405.09 is: 379,959.69
Step by Step Solution
- Step 1: Write the proportion equation
653,231.53 : 979,465.92 = 253,405.09 : x - Step 2: Convert to fraction form
653,231.53/979,465.92 = 253,405.09/x - Step 3: Cross multiply
653,231.53x = 979,465.92 × 253,405.09 - Step 4: Simplify right side
653,231.53x = 248,201,649,609.53 - Step 5: Solve for x
x = 248,201,649,609.53/653,231.53 - Step 6: Final answer
x = 379,959.69
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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.