Home / 307,629.75-461,451.96-120,641.25

Finding the Fourth Proportional to 307,629.75, 461,451.96 and 120,641.25

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Solution

The fourth proportional to 307,629.75, 461,451.96 and 120,641.25 is: 180,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,629.75 : 461,451.96 = 120,641.25 : x
  2. Step 2: Convert to fraction form
    307,629.75/461,451.96 = 120,641.25/x
  3. Step 3: Cross multiply
    307,629.75x = 461,451.96 × 120,641.25
  4. Step 4: Simplify right side
    307,629.75x = 55,670,141,269.35
  5. Step 5: Solve for x
    x = 55,670,141,269.35/307,629.75
  6. Step 6: Final answer
    x = 180,964.75

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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.