Home / 383,047.57-574,172.21-214,320.52

Finding the Fourth Proportional to 383,047.57, 574,172.21 and 214,320.52

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Solution

The fourth proportional to 383,047.57, 574,172.21 and 214,320.52 is: 321,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,047.57 : 574,172.21 = 214,320.52 : x
  2. Step 2: Convert to fraction form
    383,047.57/574,172.21 = 214,320.52/x
  3. Step 3: Cross multiply
    383,047.57x = 574,172.21 × 214,320.52
  4. Step 4: Simplify right side
    383,047.57x = 123,056,885,717.12
  5. Step 5: Solve for x
    x = 123,056,885,717.12/383,047.57
  6. Step 6: Final answer
    x = 321,257.45

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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.