Home / 307,924.20-461,951.10-130,339.80

Finding the Fourth Proportional to 307,924.20, 461,951.10 and 130,339.80

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Solution

The fourth proportional to 307,924.20, 461,951.10 and 130,339.80 is: 195,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,924.20 : 461,951.10 = 130,339.80 : x
  2. Step 2: Convert to fraction form
    307,924.20/461,951.10 = 130,339.80/x
  3. Step 3: Cross multiply
    307,924.20x = 461,951.10 × 130,339.80
  4. Step 4: Simplify right side
    307,924.20x = 60,210,613,983.78
  5. Step 5: Solve for x
    x = 60,210,613,983.78/307,924.20
  6. Step 6: Final answer
    x = 195,537.13

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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.