Home / 322,621.20-483,931.80-125,629.20

Finding the Fourth Proportional to 322,621.20, 483,931.80 and 125,629.20

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Solution

The fourth proportional to 322,621.20, 483,931.80 and 125,629.20 is: 188,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,621.20 : 483,931.80 = 125,629.20 : x
  2. Step 2: Convert to fraction form
    322,621.20/483,931.80 = 125,629.20/x
  3. Step 3: Cross multiply
    322,621.20x = 483,931.80 × 125,629.20
  4. Step 4: Simplify right side
    322,621.20x = 60,795,964,888.56
  5. Step 5: Solve for x
    x = 60,795,964,888.56/322,621.20
  6. Step 6: Final answer
    x = 188,443.80

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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.