Home / 409,025.45-613,626.15-203,971.85

Finding the Fourth Proportional to 409,025.45, 613,626.15 and 203,971.85

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Solution

The fourth proportional to 409,025.45, 613,626.15 and 203,971.85 is: 306,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,025.45 : 613,626.15 = 203,971.85 : x
  2. Step 2: Convert to fraction form
    409,025.45/613,626.15 = 203,971.85/x
  3. Step 3: Cross multiply
    409,025.45x = 613,626.15 × 203,971.85
  4. Step 4: Simplify right side
    409,025.45x = 125,162,461,023.88
  5. Step 5: Solve for x
    x = 125,162,461,023.88/409,025.45
  6. Step 6: Final answer
    x = 306,001.65

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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.