Home / 428,215.21-590,958.08-237,229.36

Finding the Fourth Proportional to 428,215.21, 590,958.08 and 237,229.36

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Solution

The fourth proportional to 428,215.21, 590,958.08 and 237,229.36 is: 327,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,215.21 : 590,958.08 = 237,229.36 : x
  2. Step 2: Convert to fraction form
    428,215.21/590,958.08 = 237,229.36/x
  3. Step 3: Cross multiply
    428,215.21x = 590,958.08 × 237,229.36
  4. Step 4: Simplify right side
    428,215.21x = 140,192,605,331.30
  5. Step 5: Solve for x
    x = 140,192,605,331.30/428,215.21
  6. Step 6: Final answer
    x = 327,388.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.