Finding the Fourth Proportional to 370,556.44, 511,371.92 and 217,596.44
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Solution
The fourth proportional to 370,556.44, 511,371.92 and 217,596.44 is: 300,285.46
Step by Step Solution
- Step 1: Write the proportion equation
370,556.44 : 511,371.92 = 217,596.44 : x - Step 2: Convert to fraction form
370,556.44/511,371.92 = 217,596.44/x - Step 3: Cross multiply
370,556.44x = 511,371.92 × 217,596.44 - Step 4: Simplify right side
370,556.44x = 111,272,709,307.97 - Step 5: Solve for x
x = 111,272,709,307.97/370,556.44 - Step 6: Final answer
x = 300,285.46
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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.