Home / 378,199.32-567,410.22-111,966.96

Finding the Fourth Proportional to 378,199.32, 567,410.22 and 111,966.96

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Solution

The fourth proportional to 378,199.32, 567,410.22 and 111,966.96 is: 167,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,199.32 : 567,410.22 = 111,966.96 : x
  2. Step 2: Convert to fraction form
    378,199.32/567,410.22 = 111,966.96/x
  3. Step 3: Cross multiply
    378,199.32x = 567,410.22 × 111,966.96
  4. Step 4: Simplify right side
    378,199.32x = 63,531,197,406.33
  5. Step 5: Solve for x
    x = 63,531,197,406.33/378,199.32
  6. Step 6: Final answer
    x = 167,983.37

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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.