Home / 301,016.28-451,719.66-130,404.62

Finding the Fourth Proportional to 301,016.28, 451,719.66 and 130,404.62

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Solution

The fourth proportional to 301,016.28, 451,719.66 and 130,404.62 is: 195,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,016.28 : 451,719.66 = 130,404.62 : x
  2. Step 2: Convert to fraction form
    301,016.28/451,719.66 = 130,404.62/x
  3. Step 3: Cross multiply
    301,016.28x = 451,719.66 × 130,404.62
  4. Step 4: Simplify right side
    301,016.28x = 58,906,330,608.83
  5. Step 5: Solve for x
    x = 58,906,330,608.83/301,016.28
  6. Step 6: Final answer
    x = 195,691.51

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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.