Home / 414,924.30-622,301.40-115,329.60

Finding the Fourth Proportional to 414,924.30, 622,301.40 and 115,329.60

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Solution

The fourth proportional to 414,924.30, 622,301.40 and 115,329.60 is: 172,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,924.30 : 622,301.40 = 115,329.60 : x
  2. Step 2: Convert to fraction form
    414,924.30/622,301.40 = 115,329.60/x
  3. Step 3: Cross multiply
    414,924.30x = 622,301.40 × 115,329.60
  4. Step 4: Simplify right side
    414,924.30x = 71,769,771,541.44
  5. Step 5: Solve for x
    x = 71,769,771,541.44/414,924.30
  6. Step 6: Final answer
    x = 172,970.76

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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.