Home / 378,015.31-567,032.69-108,183.25

Finding the Fourth Proportional to 378,015.31, 567,032.69 and 108,183.25

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Solution

The fourth proportional to 378,015.31, 567,032.69 and 108,183.25 is: 162,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,015.31 : 567,032.69 = 108,183.25 : x
  2. Step 2: Convert to fraction form
    378,015.31/567,032.69 = 108,183.25/x
  3. Step 3: Cross multiply
    378,015.31x = 567,032.69 × 108,183.25
  4. Step 4: Simplify right side
    378,015.31x = 61,343,439,260.44
  5. Step 5: Solve for x
    x = 61,343,439,260.44/378,015.31
  6. Step 6: Final answer
    x = 162,277.66

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1.5x scale

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.