Home / 454,913.40-682,370.10-218,134.20

Finding the Fourth Proportional to 454,913.40, 682,370.10 and 218,134.20

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Solution

The fourth proportional to 454,913.40, 682,370.10 and 218,134.20 is: 327,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,913.40 : 682,370.10 = 218,134.20 : x
  2. Step 2: Convert to fraction form
    454,913.40/682,370.10 = 218,134.20/x
  3. Step 3: Cross multiply
    454,913.40x = 682,370.10 × 218,134.20
  4. Step 4: Simplify right side
    454,913.40x = 148,848,255,867.42
  5. Step 5: Solve for x
    x = 148,848,255,867.42/454,913.40
  6. Step 6: Final answer
    x = 327,201.30

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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.