Home / 378,399.44-567,390-150,464.18

Finding the Fourth Proportional to 378,399.44, 567,390 and 150,464.18

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Solution

The fourth proportional to 378,399.44, 567,390 and 150,464.18 is: 225,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,399.44 : 567,390 = 150,464.18 : x
  2. Step 2: Convert to fraction form
    378,399.44/567,390 = 150,464.18/x
  3. Step 3: Cross multiply
    378,399.44x = 567,390 × 150,464.18
  4. Step 4: Simplify right side
    378,399.44x = 85,371,871,090.20
  5. Step 5: Solve for x
    x = 85,371,871,090.20/378,399.44
  6. Step 6: Final answer
    x = 225,613.10

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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.