Home / 378,132.66-567,289.50-108,264.56

Finding the Fourth Proportional to 378,132.66, 567,289.50 and 108,264.56

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Solution

The fourth proportional to 378,132.66, 567,289.50 and 108,264.56 is: 162,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,132.66 : 567,289.50 = 108,264.56 : x
  2. Step 2: Convert to fraction form
    378,132.66/567,289.50 = 108,264.56/x
  3. Step 3: Cross multiply
    378,132.66x = 567,289.50 × 108,264.56
  4. Step 4: Simplify right side
    378,132.66x = 61,417,348,110.12
  5. Step 5: Solve for x
    x = 61,417,348,110.12/378,132.66
  6. Step 6: Final answer
    x = 162,422.75

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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.