Home / 383,328.46-574,626.60-143,377.30

Finding the Fourth Proportional to 383,328.46, 574,626.60 and 143,377.30

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Solution

The fourth proportional to 383,328.46, 574,626.60 and 143,377.30 is: 214,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,328.46 : 574,626.60 = 143,377.30 : x
  2. Step 2: Convert to fraction form
    383,328.46/574,626.60 = 143,377.30/x
  3. Step 3: Cross multiply
    383,328.46x = 574,626.60 × 143,377.30
  4. Step 4: Simplify right side
    383,328.46x = 82,388,410,416.18
  5. Step 5: Solve for x
    x = 82,388,410,416.18/383,328.46
  6. Step 6: Final answer
    x = 214,929.02

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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.