Home / 260,147.75-390,212.71-110,291.54

Finding the Fourth Proportional to 260,147.75, 390,212.71 and 110,291.54

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Solution

The fourth proportional to 260,147.75, 390,212.71 and 110,291.54 is: 165,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,147.75 : 390,212.71 = 110,291.54 : x
  2. Step 2: Convert to fraction form
    260,147.75/390,212.71 = 110,291.54/x
  3. Step 3: Cross multiply
    260,147.75x = 390,212.71 × 110,291.54
  4. Step 4: Simplify right side
    260,147.75x = 43,037,158,486.68
  5. Step 5: Solve for x
    x = 43,037,158,486.68/260,147.75
  6. Step 6: Final answer
    x = 165,433.53

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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.