Home / 485,242.25-727,994.39-148,273.67

Finding the Fourth Proportional to 485,242.25, 727,994.39 and 148,273.67

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Solution

The fourth proportional to 485,242.25, 727,994.39 and 148,273.67 is: 222,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,242.25 : 727,994.39 = 148,273.67 : x
  2. Step 2: Convert to fraction form
    485,242.25/727,994.39 = 148,273.67/x
  3. Step 3: Cross multiply
    485,242.25x = 727,994.39 × 148,273.67
  4. Step 4: Simplify right side
    485,242.25x = 107,942,401,023.33
  5. Step 5: Solve for x
    x = 107,942,401,023.33/485,242.25
  6. Step 6: Final answer
    x = 222,450.54

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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.