Home / 445,224.71-667,867.85-178,985.41

Finding the Fourth Proportional to 445,224.71, 667,867.85 and 178,985.41

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Solution

The fourth proportional to 445,224.71, 667,867.85 and 178,985.41 is: 268,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,224.71 : 667,867.85 = 178,985.41 : x
  2. Step 2: Convert to fraction form
    445,224.71/667,867.85 = 178,985.41/x
  3. Step 3: Cross multiply
    445,224.71x = 667,867.85 × 178,985.41
  4. Step 4: Simplify right side
    445,224.71x = 119,538,600,958.07
  5. Step 5: Solve for x
    x = 119,538,600,958.07/445,224.71
  6. Step 6: Final answer
    x = 268,490.49

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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.