Finding the Fourth Proportional to 987,795.36, 1,481,682.24 and 239,842.08
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Solution
The fourth proportional to 987,795.36, 1,481,682.24 and 239,842.08 is: 359,760.50
Step by Step Solution
- Step 1: Write the proportion equation
987,795.36 : 1,481,682.24 = 239,842.08 : x - Step 2: Convert to fraction form
987,795.36/1,481,682.24 = 239,842.08/x - Step 3: Cross multiply
987,795.36x = 1,481,682.24 × 239,842.08 - Step 4: Simplify right side
987,795.36x = 355,369,750,340.66 - Step 5: Solve for x
x = 355,369,750,340.66/987,795.36 - Step 6: Final answer
x = 359,760.50
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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.