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Finding the Fourth Proportional to 301,301.10, 451,392.48 and 215,735.40

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Solution

The fourth proportional to 301,301.10, 451,392.48 and 215,735.40 is: 323,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,301.10 : 451,392.48 = 215,735.40 : x
  2. Step 2: Convert to fraction form
    301,301.10/451,392.48 = 215,735.40/x
  3. Step 3: Cross multiply
    301,301.10x = 451,392.48 × 215,735.40
  4. Step 4: Simplify right side
    301,301.10x = 97,381,337,229.79
  5. Step 5: Solve for x
    x = 97,381,337,229.79/301,301.10
  6. Step 6: Final answer
    x = 323,202.73

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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.