Home / 307,836.15-461,800.40-108,121.34

Finding the Fourth Proportional to 307,836.15, 461,800.40 and 108,121.34

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Solution

The fourth proportional to 307,836.15, 461,800.40 and 108,121.34 is: 162,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,836.15 : 461,800.40 = 108,121.34 : x
  2. Step 2: Convert to fraction form
    307,836.15/461,800.40 = 108,121.34/x
  3. Step 3: Cross multiply
    307,836.15x = 461,800.40 × 108,121.34
  4. Step 4: Simplify right side
    307,836.15x = 49,930,475,210.93
  5. Step 5: Solve for x
    x = 49,930,475,210.93/307,836.15
  6. Step 6: Final answer
    x = 162,198.22

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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.