Home / 260,023.10-389,743.05-110,237.90

Finding the Fourth Proportional to 260,023.10, 389,743.05 and 110,237.90

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Solution

The fourth proportional to 260,023.10, 389,743.05 and 110,237.90 is: 165,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,023.10 : 389,743.05 = 110,237.90 : x
  2. Step 2: Convert to fraction form
    260,023.10/389,743.05 = 110,237.90/x
  3. Step 3: Cross multiply
    260,023.10x = 389,743.05 × 110,237.90
  4. Step 4: Simplify right side
    260,023.10x = 42,964,455,371.60
  5. Step 5: Solve for x
    x = 42,964,455,371.60/260,023.10
  6. Step 6: Final answer
    x = 165,233.22

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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.