Home / 260,589.44-390,785.73-110,900.22

Finding the Fourth Proportional to 260,589.44, 390,785.73 and 110,900.22

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Solution

The fourth proportional to 260,589.44, 390,785.73 and 110,900.22 is: 166,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,589.44 : 390,785.73 = 110,900.22 : x
  2. Step 2: Convert to fraction form
    260,589.44/390,785.73 = 110,900.22/x
  3. Step 3: Cross multiply
    260,589.44x = 390,785.73 × 110,900.22
  4. Step 4: Simplify right side
    260,589.44x = 43,338,223,429.86
  5. Step 5: Solve for x
    x = 43,338,223,429.86/260,589.44
  6. Step 6: Final answer
    x = 166,308.44

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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.