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Finding the Fourth Proportional to 483,183.75, 666,801.58 and 265,412.56

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Solution

The fourth proportional to 483,183.75, 666,801.58 and 265,412.56 is: 366,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,183.75 : 666,801.58 = 265,412.56 : x
  2. Step 2: Convert to fraction form
    483,183.75/666,801.58 = 265,412.56/x
  3. Step 3: Cross multiply
    483,183.75x = 666,801.58 × 265,412.56
  4. Step 4: Simplify right side
    483,183.75x = 176,977,517,022.15
  5. Step 5: Solve for x
    x = 176,977,517,022.15/483,183.75
  6. Step 6: Final answer
    x = 366,273.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.