Home / 307,660.91-461,540.16-130,169.25

Finding the Fourth Proportional to 307,660.91, 461,540.16 and 130,169.25

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Solution

The fourth proportional to 307,660.91, 461,540.16 and 130,169.25 is: 195,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,660.91 : 461,540.16 = 130,169.25 : x
  2. Step 2: Convert to fraction form
    307,660.91/461,540.16 = 130,169.25/x
  3. Step 3: Cross multiply
    307,660.91x = 461,540.16 × 130,169.25
  4. Step 4: Simplify right side
    307,660.91x = 60,078,336,472.08
  5. Step 5: Solve for x
    x = 60,078,336,472.08/307,660.91
  6. Step 6: Final answer
    x = 195,274.52

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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.