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Finding the Fourth Proportional to 225,824.40, 338,736.60 and 76,014.90

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Solution

The fourth proportional to 225,824.40, 338,736.60 and 76,014.90 is: 114,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,824.40 : 338,736.60 = 76,014.90 : x
  2. Step 2: Convert to fraction form
    225,824.40/338,736.60 = 76,014.90/x
  3. Step 3: Cross multiply
    225,824.40x = 338,736.60 × 76,014.90
  4. Step 4: Simplify right side
    225,824.40x = 25,749,028,775.34
  5. Step 5: Solve for x
    x = 25,749,028,775.34/225,824.40
  6. Step 6: Final answer
    x = 114,022.35

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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.