Home / 499,743.54-749,615.28-144,757.68

Finding the Fourth Proportional to 499,743.54, 749,615.28 and 144,757.68

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Solution

The fourth proportional to 499,743.54, 749,615.28 and 144,757.68 is: 217,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,743.54 : 749,615.28 = 144,757.68 : x
  2. Step 2: Convert to fraction form
    499,743.54/749,615.28 = 144,757.68/x
  3. Step 3: Cross multiply
    499,743.54x = 749,615.28 × 144,757.68
  4. Step 4: Simplify right side
    499,743.54x = 108,512,568,825.35
  5. Step 5: Solve for x
    x = 108,512,568,825.35/499,743.54
  6. Step 6: Final answer
    x = 217,136.51

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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.