Home / 383,912.21-575,622.27-159,427.60

Finding the Fourth Proportional to 383,912.21, 575,622.27 and 159,427.60

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Solution

The fourth proportional to 383,912.21, 575,622.27 and 159,427.60 is: 239,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,912.21 : 575,622.27 = 159,427.60 : x
  2. Step 2: Convert to fraction form
    383,912.21/575,622.27 = 159,427.60/x
  3. Step 3: Cross multiply
    383,912.21x = 575,622.27 × 159,427.60
  4. Step 4: Simplify right side
    383,912.21x = 91,770,077,012.65
  5. Step 5: Solve for x
    x = 91,770,077,012.65/383,912.21
  6. Step 6: Final answer
    x = 239,039.22

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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.