Home / 488,749.20-733,238.55-151,772.46

Finding the Fourth Proportional to 488,749.20, 733,238.55 and 151,772.46

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Solution

The fourth proportional to 488,749.20, 733,238.55 and 151,772.46 is: 227,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,749.20 : 733,238.55 = 151,772.46 : x
  2. Step 2: Convert to fraction form
    488,749.20/733,238.55 = 151,772.46/x
  3. Step 3: Cross multiply
    488,749.20x = 733,238.55 × 151,772.46
  4. Step 4: Simplify right side
    488,749.20x = 111,285,418,500.33
  5. Step 5: Solve for x
    x = 111,285,418,500.33/488,749.20
  6. Step 6: Final answer
    x = 227,694.32

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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.