Home / 331,958.28-458,100.24-188,718.36

Finding the Fourth Proportional to 331,958.28, 458,100.24 and 188,718.36

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Solution

The fourth proportional to 331,958.28, 458,100.24 and 188,718.36 is: 260,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,958.28 : 458,100.24 = 188,718.36 : x
  2. Step 2: Convert to fraction form
    331,958.28/458,100.24 = 188,718.36/x
  3. Step 3: Cross multiply
    331,958.28x = 458,100.24 × 188,718.36
  4. Step 4: Simplify right side
    331,958.28x = 86,451,926,008.41
  5. Step 5: Solve for x
    x = 86,451,926,008.41/331,958.28
  6. Step 6: Final answer
    x = 260,430.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.