Home / 239,299.22-330,233.52-130,404.39

Finding the Fourth Proportional to 239,299.22, 330,233.52 and 130,404.39

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Solution

The fourth proportional to 239,299.22, 330,233.52 and 130,404.39 is: 179,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,299.22 : 330,233.52 = 130,404.39 : x
  2. Step 2: Convert to fraction form
    239,299.22/330,233.52 = 130,404.39/x
  3. Step 3: Cross multiply
    239,299.22x = 330,233.52 × 130,404.39
  4. Step 4: Simplify right side
    239,299.22x = 43,063,900,733.15
  5. Step 5: Solve for x
    x = 43,063,900,733.15/239,299.22
  6. Step 6: Final answer
    x = 179,958.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.