Home / 259,222.75-388,987.22-109,453.35

Finding the Fourth Proportional to 259,222.75, 388,987.22 and 109,453.35

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Solution

The fourth proportional to 259,222.75, 388,987.22 and 109,453.35 is: 164,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,222.75 : 388,987.22 = 109,453.35 : x
  2. Step 2: Convert to fraction form
    259,222.75/388,987.22 = 109,453.35/x
  3. Step 3: Cross multiply
    259,222.75x = 388,987.22 × 109,453.35
  4. Step 4: Simplify right side
    259,222.75x = 42,575,954,336.19
  5. Step 5: Solve for x
    x = 42,575,954,336.19/259,222.75
  6. Step 6: Final answer
    x = 164,244.67

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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.