Home / 263,982.28-395,938.28-74,457.84

Finding the Fourth Proportional to 263,982.28, 395,938.28 and 74,457.84

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Solution

The fourth proportional to 263,982.28, 395,938.28 and 74,457.84 is: 111,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,982.28 : 395,938.28 = 74,457.84 : x
  2. Step 2: Convert to fraction form
    263,982.28/395,938.28 = 74,457.84/x
  3. Step 3: Cross multiply
    263,982.28x = 395,938.28 × 74,457.84
  4. Step 4: Simplify right side
    263,982.28x = 29,480,709,102.12
  5. Step 5: Solve for x
    x = 29,480,709,102.12/263,982.28
  6. Step 6: Final answer
    x = 111,676.85

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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.