Home / 307,747.20-461,620.80-108,001.20

Finding the Fourth Proportional to 307,747.20, 461,620.80 and 108,001.20

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Solution

The fourth proportional to 307,747.20, 461,620.80 and 108,001.20 is: 162,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,747.20 : 461,620.80 = 108,001.20 : x
  2. Step 2: Convert to fraction form
    307,747.20/461,620.80 = 108,001.20/x
  3. Step 3: Cross multiply
    307,747.20x = 461,620.80 × 108,001.20
  4. Step 4: Simplify right side
    307,747.20x = 49,855,600,344.96
  5. Step 5: Solve for x
    x = 49,855,600,344.96/307,747.20
  6. Step 6: Final answer
    x = 162,001.80

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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.