Home / 445,222.71-667,864.85-178,983.41

Finding the Fourth Proportional to 445,222.71, 667,864.85 and 178,983.41

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Solution

The fourth proportional to 445,222.71, 667,864.85 and 178,983.41 is: 268,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,222.71 : 667,864.85 = 178,983.41 : x
  2. Step 2: Convert to fraction form
    445,222.71/667,864.85 = 178,983.41/x
  3. Step 3: Cross multiply
    445,222.71x = 667,864.85 × 178,983.41
  4. Step 4: Simplify right side
    445,222.71x = 119,536,724,037.90
  5. Step 5: Solve for x
    x = 119,536,724,037.90/445,222.71
  6. Step 6: Final answer
    x = 268,487.48

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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.